Coolant compressor with variable capacity for refrigerating system

摘要

The compressor has a cylinder block (1) with several parallel bores, a front housing (2) sealed against the front of the cylinder block defining a crank chamber (5), and a shaft (6) in the housing and the cylinder block. A rear housing (3) is sealed against the rear of the cylinder block, a suction chamber for the gaseous coolant before compression, an outlet chamber for the compressed coolant. A wobble plate (12) on the shaft can adopt different inclinations. Several pistons worked by it oscillate in the cylinder bores. The crank chamber allows the full movement of the wobble disc and has an inlet (40) for connecting to a feedback channel of an external coolant system. It has inlets (41-44) from the suction chamber (30).