F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
230/77
F04B 25/04 (2006.01) F04B 27/18 (2006.01)
Patent
CA 2020568
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 cylin- ders and is reciprocated by a drive mechanism which includes a mem- ber having a surface with an adjustable incline angle. The incline angle is controlled by the relative pressure between the crank and suction chambers. The relative pressure is controlled by a control mechanism which comprises a passageway communicating between the crank chamber and a suction chamber, a first valve device to con- trol the closing and opening of the passageway and a second valve device to control the pressure in an actuating chamber. The first valve device includes a bellows and a valve shifting element coupled to the bellows. The valve shifting element includes a first surface which receives pressure in the actuating chamber and a second sur- face which receives discharge pressure in order to apply a force to the bellows at another end and thereby shift the response pressure of the bellows in response to changes in the actuating chamber pressure and changes in the discharge pressure.
Sanden Corporation
Sim & Mcburney
LandOfFree
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