US3622047A - Liquid-dispensing apparatus including a housing and movable nozzle - Google Patents

Liquid-dispensing apparatus including a housing and movable nozzle Download PDF

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Publication number
US3622047A
US3622047A US62057A US3622047DA US3622047A US 3622047 A US3622047 A US 3622047A US 62057 A US62057 A US 62057A US 3622047D A US3622047D A US 3622047DA US 3622047 A US3622047 A US 3622047A
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Prior art keywords
nozzle
housing
dispensing
reservoir
opening
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Expired - Lifetime
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US62057A
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Rudolf Oberli
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Greiner Electronic AG
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Greiner Electronic AG
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
    • G01N35/1081—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices characterised by the means for relatively moving the transfer device and the containers in an horizontal plane
    • G01N35/1083—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices characterised by the means for relatively moving the transfer device and the containers in an horizontal plane with one horizontal degree of freedom
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
    • G01F11/02—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement
    • G01F11/021—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the piston type

Definitions

  • One wall of the housing contains an opening through which the nozzle is displaced from its normal charging position within the housing to the dispensing position relative to a receptacle that is arranged externally of the housing. Tem perature-responsive means are provided for maintaining the interior of the housing at a desired storage temperature.
  • the reservoir and the dosage means within a storage housing that contains an opening through which the nozzle is transported during displacement between the charging position within the housing to the dispensing position external of the housing.
  • the means for displacing the nozzle between its charging and dispensing positions comprises a rocker am that is actuated by means arranged external of the housing, said rocker arm including a support portion that extends through the housing opening when the apparatus is in its normal storage condition to support the nozzle in the charging position relative to the reservoir.
  • the nozzle support portion of the rocker arm includes closure means arranged to automatically close the housing opening when the nozzle is in the charging position.
  • temperature-responsive means are provided for maintaining constant the temperature of the fluid within the storage chamber within the housing.
  • FIGURE of drawing which figure illustrates diagrammatically the preferred embodiment of the invention, certain parts being omitted for clarity of illustration.
  • the reservoir 1 is filled with the liquid to be dispensed via a supply tube 2 the lower extremity of which terminates at the desired liquid level to be maintained in the reservoir.
  • Dosage pump means of the type including a cylinder 3 and piston 4 are provided for withdrawing from the reservoir a desired charge of liquid 5 via nozzle 7 and flexible conduit 6.
  • the reservoir and dosage means are contained within the storage chamber 8 of a closed housing 9.
  • the nozzle 7 is initially maintained in a downwardly depending storage position, the free extremity of the nozzle being submerged beneath the level of liquid in the reservoir 1.
  • the nozzle is supported in this position by the nozzle support arm 11 that extends through opening contained in the right-hand end wall of the housing.
  • closure means 12 secured to the support arm 11 serve to automatically close the opening 10 when the nozzle is stored in the normal charging position.
  • the storage chamber 8 is sealed in a dustproof manner, the walls of the housing 9 preferably being formed of a heat-insulating material.
  • Temperature-responsive means in the form of a thermostat 18 control the setting of regulating valve means 19 to control the supply of temperature-modifying fluid to the chamber 8, thereby maintaining the storage temperature at a desired value (generally slightly less than ambient temperature). Vapors produced by evaporation of the liquid are removed from the chamber 8 by suction means 21.
  • nozzle support arm ll has integrally connected therewith a rocker arm 13 the ends of which are connected with a pair of pinions l4, l5 that me driven by the drive pinion 16.
  • nozzle-displacing means are arranged externally of the housing 9, and thus are readily accessible for inspection and servicing.
  • additional closure means may be provided for closing the opening 10 when the nozzle is withdrawn to the dispensing position.
  • the additional closure means (not shown) may be connected with support arm 11 adjacent the nozzle 7.
  • a dispensing apparatus of the type including dosage means (3-6) having a nozzle (7) operable alternately to initially remove a measured quantity of liquid from a reservoir (1) and to subsequently dispense said liquid quantity into a receptacle (17), respectively; and nozzle-displacing means (13-16) for displacing said nozzle between charging and dispensing positions adjacent said reservoir and said receptacle during said liquid removing and dispensing operations, respectively; the improvement which comprises housing means (9) completely enclosing said dosage means and said reservoir, said housing means containing an opening (10), said nozzle means nonnally being stored in the charging position relative to said reservoir;
  • said nozzle-displacing means being operable to transport said nozzle from said charging position outwardly through said opening to the dispensing position relative to a receptacle arranged externally of the housing.
  • nozzle-displacing means is arranged externally of the housing and includes a nozzle support arm (11) that extends through said opening to support said nozzle adjacent said reservoir when said nozzle is in its normal charging position.
  • nozzle-displacing means further includes a rocker arm (13) integrally connected with said support arm, and pinion means (l4, 15) for displacing said rocker arm in a parallel manner to displace the nozzle between said charging and dispensing positions.

Abstract

Dispensing apparatus of the type including a dispensing nozzle movable between charging and dispensing positions relative to a liquid supply reservoir and a receptacle, respectively, characterized in that the liquid supply reservoir and the dosage means for charging the nozzle with a quantity of liquid are contained within a protective storage housing. One wall of the housing contains an opening through which the nozzle is displaced from its normal charging position within the housing to the dispensing position relative to a receptacle that is arranged externally of the housing. Temperature-responsive means are provided for maintaining the interior of the housing at a desired storage temperature.

Description

United States Patent LIQUID-DISPENSING APPARATUS INCLUDING A HOUSING AND MOVABLE NOZZLE 6 Claims, 1 Drawing Fig.
[1.8. Ci 222/146 C,
23/259, 73/423, 141/279, 222/535 Int. Cl 867d 5/62 Field oi Search 222/74, 75,
[56] References Cited UNlTED STATES PATENTS 3,252,329 5/1966 Heimann 73/423 A 3,476,295 11/1969 Telfer 222/538 X Primary Examiner Robert B. Reeves Assistant ExaminerDavid A. Scherbel Attorney-Lawrence E. Laubscher ABSTRACT: Dispensing apparatus of the type including a dispensing nozzle movable between charging and dispensing positions relative to a liquid supply reservoir and a receptacle. respectively, characterized in that the liquid supply reservoir and the dosage means for charging the nozzle with a quantity of liquid are contained within a protective storage housing. One wall of the housing contains an opening through which the nozzle is displaced from its normal charging position within the housing to the dispensing position relative to a receptacle that is arranged externally of the housing. Tem perature-responsive means are provided for maintaining the interior of the housing at a desired storage temperature.
TEMPERATURE CONTROL MEANS r 19 9 l I 1 1-5: W
SUCTION MEANS 2| PATENTEDNUV 23 |97l MEANS TEMPERATURE CONTROL THERMOSTAT SUCTION MEANS INVENTOR. RUDOLF OBERLI X WL M ATTORNEY LIQUID-DISPENSING APPARATUS INCLUDING A HOUSING AND MOVABLE NOZZLE it is known in the prior art to provide liquid-dispensing apparatus wherein the liquid to be dispensed is removed from a supply reservoir by dosage-charging means that include a nozzle for dispensing the liquid into a receptacle. Nozzle-displacing means are normally provided for displacing the nozzle between charging and dispensing positions relative to said reservoir and said receptacle during the liquid charging and dispensing operations, respectively.
In order to reduce the danger of contamination of the liquid or the nozzle-which contamination is rather likely to occur when the dispensing apparatus is used infrequently it has been proposed, in accordance with the primary object of the present invention, to arrange the reservoir and the dosage means within a storage housing that contains an opening through which the nozzle is transported during displacement between the charging position within the housing to the dispensing position external of the housing. The means for displacing the nozzle between its charging and dispensing positions comprises a rocker am that is actuated by means arranged external of the housing, said rocker arm including a support portion that extends through the housing opening when the apparatus is in its normal storage condition to support the nozzle in the charging position relative to the reservoir.
in accordance with another object of the invention, the nozzle support portion of the rocker arm includes closure means arranged to automatically close the housing opening when the nozzle is in the charging position. In accordance with a further object of the invention, temperature-responsive means are provided for maintaining constant the temperature of the fluid within the storage chamber within the housing.
Other objects and advantages of the invention will become apparent from a study of the accompanying single FIGURE of drawing, which figure illustrates diagrammatically the preferred embodiment of the invention, certain parts being omitted for clarity of illustration.
Referring to the drawing, the reservoir 1 is filled with the liquid to be dispensed via a supply tube 2 the lower extremity of which terminates at the desired liquid level to be maintained in the reservoir. Dosage pump means of the type including a cylinder 3 and piston 4 are provided for withdrawing from the reservoir a desired charge of liquid 5 via nozzle 7 and flexible conduit 6. The reservoir and dosage means are contained within the storage chamber 8 of a closed housing 9.
As shown in the drawing, the nozzle 7 is initially maintained in a downwardly depending storage position, the free extremity of the nozzle being submerged beneath the level of liquid in the reservoir 1. The nozzle is supported in this position by the nozzle support arm 11 that extends through opening contained in the right-hand end wall of the housing. in accordance with an important feature of the invention, closure means 12 secured to the support arm 11 serve to automatically close the opening 10 when the nozzle is stored in the normal charging position.
The storage chamber 8 is sealed in a dustproof manner, the walls of the housing 9 preferably being formed of a heat-insulating material. Temperature-responsive means in the form of a thermostat 18 control the setting of regulating valve means 19 to control the supply of temperature-modifying fluid to the chamber 8, thereby maintaining the storage temperature at a desired value (generally slightly less than ambient temperature). Vapors produced by evaporation of the liquid are removed from the chamber 8 by suction means 21.
In accordance with an important feature of the invention, means are provided for displacing the nozzle 7 from the illustrated storage charging position to the dispensing position 7' relative to the receptacle 17 external of the housing, as illustrated in phantom. More particularly, the nozzle support arm ll has integrally connected therewith a rocker arm 13 the ends of which are connected with a pair of pinions l4, l5 that me driven by the drive pinion 16. These nozzle-displacing means are arranged externally of the housing 9, and thus are readily accessible for inspection and servicing.
Since the actuating means 11-16 are nonnally maintained at the storage position illustrated by the solid lines, and since the nonle is only sporadically displaced to the dispensing position illustrated in the phantom, all of the parts l-7-which are of decisive significance for the accuracy and reliability of operation of the device, as well as the liquid that is to be dispensed-are effectively protected within the storage chamber 8 against external disturbing influences.
if desired, additional closure means may be provided for closing the opening 10 when the nozzle is withdrawn to the dispensing position. For example, the additional closure means (not shown) may be connected with support arm 11 adjacent the nozzle 7.
it is apparent that various modifications may be made in the described apparatus. For example, instead of the circular driven pinions l4 and 15, it may be desirable in certain instances to provide elliptical pinions to obtain withdrawal of the nozzle support arm 11 along an elliptical path. Furthermore, in the event that a plurality of receptacles are to be filled with different liquids from separate reservoirs contained within the chamber, a plurality of dosage means and openings 10, as well as a plurality of nozzle-displacing means, may be provided for coordinated operation. Other modifications may be made in the described apparatus without deviating from the disclosed inventive concepts.
What is claimed is: i
l. in a dispensing apparatus of the type including dosage means (3-6) having a nozzle (7) operable alternately to initially remove a measured quantity of liquid from a reservoir (1) and to subsequently dispense said liquid quantity into a receptacle (17), respectively; and nozzle-displacing means (13-16) for displacing said nozzle between charging and dispensing positions adjacent said reservoir and said receptacle during said liquid removing and dispensing operations, respectively; the improvement which comprises housing means (9) completely enclosing said dosage means and said reservoir, said housing means containing an opening (10), said nozzle means nonnally being stored in the charging position relative to said reservoir;
said nozzle-displacing means being operable to transport said nozzle from said charging position outwardly through said opening to the dispensing position relative to a receptacle arranged externally of the housing.
2. Apparatus as defined in claim 1, further including means (12) normally closing said opening when the nozzle is in the charging position relative to said reservoir, said closure means being operable by said nozzle-displacing means to a position remote from said opening when the nozzle is displaced from the charging position to the dispensing position.
3. Apparatus as defined in claim 1, wherein said nozzle-displacing means is arranged externally of the housing and includes a nozzle support arm (11) that extends through said opening to support said nozzle adjacent said reservoir when said nozzle is in its normal charging position.
4. Apparatus as defined in claim 3, and further including means (12) connected with said arm for normally closing said opening when the nozzle is in the charging position relative to said reservoir, said closure means being operable by said nozzle-displacing means to a position remote from said opening when the nozzle is displaced from the charging position to the dispensing position.
5. Apparatus as defined in claim 3, wherein said nozzle-displacing means further includes a rocker arm (13) integrally connected with said support arm, and pinion means (l4, 15) for displacing said rocker arm in a parallel manner to displace the nozzle between said charging and dispensing positions.
6. Apparatus as defined in claim I, wherein the walls of said housing contain heat-insulating material, and further including means for maintaining uniform the temperature within said housing.

Claims (6)

1. In a dispensing apparatus of the type including dosage means (3-6) having a nozzle (7) operable alternately to initially remove a measured quantity of liquid from a reservoir (1) and to subsequently dispense said liquid quantity into a receptacle (17), respectively; and nozzle-displacing means (13-16) for displacing said nozzle between charging and dispensing positions adjacent said reservoir and said receptacle during said liquid removing and dispensing operations, respectively; the improvement which comprises housing means (9) completely enclosing said dosage means and said reservoir, said housing means containing an opening (10), said nozzle means normally being stored in the charging position relative to said reservoir; said nozzle-displacing means being operable to transport said nozzle from said charging position outwardly through said opening to the dispensing position relative to a receptacle arranged externally of the housing.
2. Apparatus as defined in claim 1, and further includiNg means (12) normally closing said opening when the nozzle is in the charging position relative to said reservoir, said closure means being operable by said nozzle-displacing means to a position remote from said opening when the nozzle is displaced from the charging position to the dispensing position.
3. Apparatus as defined in claim 1, wherein said nozzle-displacing means is arranged externally of the housing and includes a nozzle support arm (11) that extends through said opening to support said nozzle adjacent said reservoir when said nozzle is in its normal charging position.
4. Apparatus as defined in claim 3, and further including means (12) connected with said arm for normally closing said opening when the nozzle is in the charging position relative to said reservoir, said closure means being operable by said nozzle-displacing means to a position remote from said opening when the nozzle is displaced from the charging position to the dispensing position.
5. Apparatus as defined in claim 3, wherein said nozzle-displacing means further includes a rocker arm (13) integrally connected with said support arm, and pinion means (14, 15) for displacing said rocker arm in a parallel manner to displace the nozzle between said charging and dispensing positions.
6. Apparatus as defined in claim 1, wherein the walls of said housing contain heat-insulating material, and further including means for maintaining uniform the temperature within said housing.
US62057A 1969-08-27 1970-08-07 Liquid-dispensing apparatus including a housing and movable nozzle Expired - Lifetime US3622047A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1297369A CH513078A (en) 1969-08-27 1969-08-27 Device for dispensing a liquid

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US3622047A true US3622047A (en) 1971-11-23

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US62057A Expired - Lifetime US3622047A (en) 1969-08-27 1970-08-07 Liquid-dispensing apparatus including a housing and movable nozzle

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US (1) US3622047A (en)
CH (1) CH513078A (en)
DE (1) DE2041683C3 (en)
FR (1) FR2059700B1 (en)
GB (1) GB1292533A (en)
SE (1) SE366225B (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3735902A (en) * 1971-07-22 1973-05-29 Instrumentation Labor Inc Dispenser apparatus
US3776184A (en) * 1972-03-02 1973-12-04 Univ Surrey Apparatus for applying liquid samples to a surface
US3777788A (en) * 1971-07-21 1973-12-11 Barnes Drill Co Cyclone separator
US3790347A (en) * 1971-12-30 1974-02-05 Nasa Apparatus for remote handling of materials
US4054416A (en) * 1976-08-11 1977-10-18 Secretary Of State For Social Services Apparatus for use in investigating specimens
US4058370A (en) * 1974-07-05 1977-11-15 Osmo Antero Suovaniemi Apparatus for accurate pipetting of small liquid volumes
USRE29880E (en) * 1975-06-11 1979-01-16 The Secretary Of State For Social Services In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Apparatus for use in investigating specimens
USRE30730E (en) * 1975-06-11 1981-09-01 National Research Development Corporation Apparatus for use in investigating specimens
DE4314657A1 (en) * 1993-05-04 1994-11-10 Friedhelm Sehrt Safety device for the safe handling of liquid substances by means of a syringe, in particular for the metering and racking-off of liquids detrimental to health
EP0851232A1 (en) * 1995-09-05 1998-07-01 Hitachi, Ltd. Automatic analizer and display method
EP1107201A2 (en) * 1999-12-02 2001-06-13 Necta Vending Solutions S.p.A. Automatic beverage vending apparatus with improved arrangement for displacing the dispensing spouts
US20040187516A1 (en) * 2003-03-27 2004-09-30 Jeong-Youl Lee Dispenser of refrigerator
US20050268638A1 (en) * 2004-06-04 2005-12-08 Voglewede Ronald L Water dispenser for refrigerator freezers
US20100307184A1 (en) * 2007-10-30 2010-12-09 Lg Electronics Inc. Dispenser and refrigerator having the same

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2924814C2 (en) * 1979-06-20 1982-04-08 Hansen, Gerhard, 7166 Sulzbach-Laufen Device for producing, filling and closing a container made of thermoplastic material
US4453369A (en) * 1980-09-02 1984-06-12 Estkowski Michael H Method of producing seed marker tabs
DE3716096A1 (en) * 1987-05-14 1988-12-01 Hamba Maschf MUG FILLING PLANT FOR FOOD AND ENJOYMENT, ESPECIALLY FOR DAIRY PRODUCTS
DE8804822U1 (en) * 1988-04-13 1988-06-30 Abel Gmbh & Co Abfuell- Und Pumpentechnik, 2059 Buechen, De

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3252329A (en) * 1963-11-27 1966-05-24 Technicon Instr Sample supply means for automatic analysis apparatus
US3476295A (en) * 1968-01-03 1969-11-04 Henri E Telfer Liquid dispensing apparatus having a dispensing top closure

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3252329A (en) * 1963-11-27 1966-05-24 Technicon Instr Sample supply means for automatic analysis apparatus
US3476295A (en) * 1968-01-03 1969-11-04 Henri E Telfer Liquid dispensing apparatus having a dispensing top closure

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3777788A (en) * 1971-07-21 1973-12-11 Barnes Drill Co Cyclone separator
US3735902A (en) * 1971-07-22 1973-05-29 Instrumentation Labor Inc Dispenser apparatus
US3790347A (en) * 1971-12-30 1974-02-05 Nasa Apparatus for remote handling of materials
US3776184A (en) * 1972-03-02 1973-12-04 Univ Surrey Apparatus for applying liquid samples to a surface
US4058370A (en) * 1974-07-05 1977-11-15 Osmo Antero Suovaniemi Apparatus for accurate pipetting of small liquid volumes
USRE29880E (en) * 1975-06-11 1979-01-16 The Secretary Of State For Social Services In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Apparatus for use in investigating specimens
USRE30730E (en) * 1975-06-11 1981-09-01 National Research Development Corporation Apparatus for use in investigating specimens
US4054416A (en) * 1976-08-11 1977-10-18 Secretary Of State For Social Services Apparatus for use in investigating specimens
DE4314657A1 (en) * 1993-05-04 1994-11-10 Friedhelm Sehrt Safety device for the safe handling of liquid substances by means of a syringe, in particular for the metering and racking-off of liquids detrimental to health
EP0851232B1 (en) * 1995-09-05 2004-11-24 Hitachi, Ltd. Automatic analizer and display method
EP0851232A1 (en) * 1995-09-05 1998-07-01 Hitachi, Ltd. Automatic analizer and display method
EP1107201A3 (en) * 1999-12-02 2004-12-22 Necta Vending Solutions S.p.A. Automatic beverage vending apparatus with improved arrangement for displacing the dispensing spouts
EP1107201A2 (en) * 1999-12-02 2001-06-13 Necta Vending Solutions S.p.A. Automatic beverage vending apparatus with improved arrangement for displacing the dispensing spouts
US7007500B2 (en) * 2003-03-27 2006-03-07 Lg Electronics Inc. Dispenser of refrigerator
US20040187516A1 (en) * 2003-03-27 2004-09-30 Jeong-Youl Lee Dispenser of refrigerator
US20080184730A1 (en) * 2004-06-04 2008-08-07 Whirlpool Corporation Water dispenser for refrigerator freezers
US20050268638A1 (en) * 2004-06-04 2005-12-08 Voglewede Ronald L Water dispenser for refrigerator freezers
US20080190132A1 (en) * 2004-06-04 2008-08-14 Whirlpool Corporation Water dispenser for refrigerator freezers
US7455085B2 (en) 2004-06-04 2008-11-25 Whirlpool Corporation Water dispenser for refrigerator freezers
US20090090124A1 (en) * 2004-06-04 2009-04-09 Whirpool Corporation Water Dispenser For Refrigerator Freezers
US7757732B2 (en) 2004-06-04 2010-07-20 Whirlpool Corporation Water dispenser for refrigerator freezers
US7793690B2 (en) 2004-06-04 2010-09-14 Whirlpool Corporation Water dispenser for refrigerator freezers
US20100293985A1 (en) * 2004-06-04 2010-11-25 Whirlpool Corporation Water Dispenser for Refrigerator Freezers
US20100307184A1 (en) * 2007-10-30 2010-12-09 Lg Electronics Inc. Dispenser and refrigerator having the same

Also Published As

Publication number Publication date
DE2041683A1 (en) 1971-03-11
FR2059700B1 (en) 1973-11-23
GB1292533A (en) 1972-10-11
SE366225B (en) 1974-04-22
CH513078A (en) 1971-09-30
FR2059700A1 (en) 1971-06-04
DE2041683C3 (en) 1979-07-12
DE2041683B2 (en) 1978-11-09

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