Single-ended swash plate compressor

A single-ended swash plate comprising:

• a cylinder block having a plurality of cylinder bores disposed in only the rear of said cylinder block and parallel to the axial center thereof;
• a cylinder cover joined to the rear end of said cylinder block, having an intake chamber and a discharge chamber therein;
• an outer shell formed by joining a front housing to the front end of said cylinder block;
• a swash plate chamber formed within said outer shell when said cylinder block and said front housing are joined;
• a drive shaft disposed at the axial center of said outer shell so as to extend from an axial center portion of said cylinder block;
• a swash plate secured to said drive shaft so as to rotate together with said drive shaft within said swash plate chamber;
• single-headed pistons formed on the rear end of piston rods housed in said plurality of cylinder bores so as to be reciprocated in both axial direction by said swash plate, wherein a compression action is performed at the rear end of said cylinder bores;
• and
• an adjustment means for adjusting the internal pressure of said swash plate chamber acting on the front end surfaces of said pistons to an intermediate pressure between the intake pressure and the discharge pressure;
• the thrust load directed towards said front end due to the internal pressure of said cylinder bores acting on said pistons and the thrust load directed towards said rear end due to the internal pressure of said swash plate chamber acting on said pistons being practically balanced by said adjustment means.

A single-ended swash plate compressor comprising:

• a cylinder assembly having a swash plate chamber formed within said cylinder assembly, with a plurality of cylinder guide bores in the front end thereof and a plurality of cylinder compression bores in the rear end thereof;
• a drive shaft disposed in a central portion of said cylinder assembly;
• piston assemblies having pistons formed on both ends of piston rods, each piston assembly having one end housed in a cylinder guide bore and the other end housed in a cylinder compression bore;
• a swash plate housed in said swash plate chamber which rotates together with said drive shaft and reciprocates said piston assemblies;
• a cylinder guide cover joined to the front end of said cylinder assembly;
• a cylinder compression cover joined to the rear end of said cylinder assembly, having an intake chamber and a discharge chamber therein;
• the cylinder compression bores being connected to said discharge chamber and said intake chamber by means of a discharge valve and an intake valve, a compression action being performed by the pistons housed within said cylinder compression bores, and a guide action being performed by the pistons housed within said cylinder guide bores;
• and
• a pressure supply means for introducing pressure into said cylinder guide bores to cancel reactive forces due to compression acting on said pistons in said cylinder compression bores.