Inventor
ARATA TETSUYA
JP17 patents
Patents
17 patentsUS5040958AAug 20, 1991
Scroll compressor having changeable axis in eccentric drive
HITACHI LTD78 citations96
US4774816AOct 4, 1988
Air conditioner or refrigerating plant incorporating scroll compressor
HITACHI LTD117 citations96
US4669962AJun 2, 1987
Scroll compressor with pressure differential maintained for supplying oil
HITACHI LTD81 citations96
US4596520AJun 24, 1986
Hermetic scroll compressor with pressure differential control means for a back-pressure chamber
HITACHI LTD85 citations96
US4818195AApr 4, 1989
Scroll compressor with valved port for each compression chamber
HITACHI LTD125 citations95
US4382370AMay 10, 1983
Refrigerating system using scroll type compressor
HITACHI LTD116 citations95
US5125810AJun 30, 1992
Scroll compressor with a stationary and orbiting member of different material
HITACHI LTD26 citations92
US5037279AAug 6, 1991
Scroll fluid machine having wrap start portion with thick base and thin tip
HITACHI LTD23 citations92
US4603556AAug 5, 1986
Control method and apparatus for an air conditioner using a heat pump
HITACHI LTD51 citations92
US4649611AMar 17, 1987
Method of and apparatus for positioning compressor scroll member
HITACHI LTD38 citations91
US4371319AFeb 1, 1983
Hermetic motor compressor
HITACHI LTD46 citations91
US4802831AFeb 7, 1989
Fluid machine with resin-coated scroll members
HITACHI LTD46 citations90
US4557675ADec 10, 1985
Scroll-type fluid machine with back pressure chamber biasing an orbiting scroll member
HITACHI LTD22 citations82
US4411600AOct 25, 1983
Hermetic motor compressor
HITACHI LTD23 citations81
US4904170AFeb 27, 1990
Scroll-type fluid machine with different terminal end wrap angles
HITACHI LTD9 citations73
US4810176AMar 7, 1989
Anti-rotation mechanism for use with orbiting scroll member of scroll compressor
HITACHI LTD19 citations73
US4749344AJun 7, 1988
Oil feeding device for scroll fluid apparatus
HITACHI LTD13 citations73