A slant plate type compressor with a capacity or displacement adjusting mechanism is disclosed. The compressor includes a housing having a cylinder block provided with a plurality of cylinders and a crank chamber. A piston is slidably fitted within each of the cylinders and is reciprocated by a drive...http://www.google.ca/patents/US4960367?utm_source=gb-gplus-sharePatent US4960367 - Slant plate type compressor with variable displacement mechanism
