Inventor
UCHIKAWA NAOSHI
JP22 patents
Patents
22 patentsUS4496296AJan 29, 1985
Device for pressing orbiting scroll member in scroll type fluid machine
HITACHI LTD150 citations98
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
US4596521AJun 24, 1986
Scroll fluid apparatus
HITACHI LTD61 citations96
US4560330ADec 24, 1985
Scroll device with suction chamber pressure relief
HITACHI LTD60 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
US5094598AMar 10, 1992
Capacity controllable compressor apparatus
HITACHI LTD90 citations94
US5017108AMay 21, 1991
Scroll compressor with first and second oil pumps in series
HITACHI LTD48 citations92
US4989414AFeb 5, 1991
Capacity-controllable air conditioner
HITACHI LTD50 citations92
US4743181AMay 10, 1988
Scroll-type fluid machine with seal to aid lubrication
HITACHI LTD41 citations92
US4545747AOct 8, 1985
Scroll-type compressor
HITACHI LTD44 citations92
US5127809AJul 7, 1992
Scroll compressor with reinforcing ribs on the orbiting scroll
HITACHI LTD38 citations91
US4714415ADec 22, 1987
Scroll compressor with closed compression spaces having valves to reduce starting torque
HITACHI LTD28 citations91
US4755114AJul 5, 1988
Sealed type scroll compressor with wire mesh oil separating member
HITACHI LTD31 citations88
US4557675ADec 10, 1985
Scroll-type fluid machine with back pressure chamber biasing an orbiting scroll member
HITACHI LTD22 citations82
US4551082ANov 5, 1985
Bearing device of sealed type scroll compressor
HITACHI LTD22 citations82
US4518324AMay 21, 1985
Sealed type electrically operated compressor
HITACHI LTD26 citations82
US4473343ASep 25, 1984
Bearing device for scroll-type compressor
HITACHI LTD14 citations74
US4487560ADec 11, 1984
Scroll fluid compressor with surface finished flat plates engaging the wraps
HITACHI LTD20 citations73
US4690625ASep 1, 1987
Scroll-type fluid machine with configured wrap edges and grooves
HITACHI LTD13 citations72
US4730997AMar 15, 1988
Hermetic scroll compressor having concave spaces communicating with a delivery port
HITACHI LTD6 citations63