Abstract: A reciprocating compressor is provided. Compression chambers are formed on at least one end of pistons slidably received within respective cylinder bores of a cylinder block. A cylinder head is secured to the cylinder block and has a high-pressure chamber and a low-pressure chamber formed therein. A separating member is arranged between the cylinder block and the cylinder head. The separating member has a valve sheet, a valve plate, a stopper plate. The valve sheet is formed with suction valves and discharge valves. The valve plate is arranged between the valve sheet and the cylinder block, and formed with refrigerant outlet ports and relief holes each opening into a corresponding one of the compression chambers, for communicating with a corresponding one of refrigerant inlet ports formed through the stopper plate when the corresponding suction valve opens.

Abstract: There is provided a swash plate compressor which ensures reduction of pulsation of refrigerant gas during operation thereof and at the same time enhances mechanical efficiency of the compressor. Refrigerant gas delivered from front-side compression chambers is introduced into a front-side discharge chamber, and refrigerant gas delivered from rear-side compression chambers is introduced into a rear-side discharge chamber. At least two refrigerant outlet passages each arranged in a fashion parallel with a plurality of cylinder bores which extend longitudinally through a cylinder block communicate the front-side discharge chamber with the rear-side discharge chamber. A discharge port which is formed in a head secured to a front-side end or rear-side end of the cylinder block permits the refrigerant gas within the front-side and rear-side discharge chambers to be discharged out of the head. One of the at least two refrigerant outlet passages is communicated with the discharge port.

Abstract: A reciprocating compressor includes a cylinder block having a plurality of compression chambers formed therein and a cylinder head secured to the cylinder block and having a high-pressure chamber formed therein. A first member is arranged between the cylinder block and the cylinder head and has a plurality of discharge ports formed therethrough for communicating the plurality of compression chambers to the high-pressure chamber. The reciprocating compressor comprises a second member having a plurality of discharge valves formed therewith for opening and closing the plurality of discharge valves, and a third member having a plurality of stoppers formed therewith for each setting a proper limit to resilient deformation of a corresponding one of the plurality of stoppers.