Patent ID: 6120259
Filing Date: 2000-09-19
Classification: F04B

Abstract:
A swash plate type compressor comprising:a case including a cylindrical cylinder block;a drive shaft installed in said case and rotatable about its axis;a swash plate carried by said drive shaft and rotatable together therewith;a cylindrical rear housing having refrigerant intake and exhaust chambers defined therein; anda sealing structure arranged between said cylinder block and said rear housing to assure a hermetical sealing therebetween,wherein said sealing structure comprises:a rear annular flat end possessed by said cylinder block;a front annular flat end possessed by said rear housing and attached to said rear annular flat end;an annular groove formed in one of said rear and front annular flat ends, said annular groove consisting of mutually merged first and second annular recesses, said first annular recess being positioned radially inside of said second annular recess and having a deeper bottom than said second annular recess;a valve plate interposed between said cylinder block and said rear housing having a peripheral portion thereof received and compressed in said first annular recess; anda seal ring received and compressed in said second annular recess,in which said sealing structure further comprises an annular gasket which is received in the bottom of said first annular recess to support the peripheral portion of said valve plate.