Akira Murayama

Person

Shimizu, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Scroll type compressor and refrigeration cycle using the same
- Patent number 5,211,031
- Issue date May 18, 1993
- Hitachi, Ltd.
- Akira Murayama
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Scroll compressor with first and second oil pumps in series
- Patent number 5,017,108
- Issue date May 21, 1991
- Hitachi, Ltd.
- Akira Murayama
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Capacity-controllable air conditioner
- Patent number 4,989,414
- Issue date Feb 5, 1991
- Hitachi, Ltd.
- Akira Murayama
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Bearing device of sealed type scroll compressor
- Patent number RE33236
- Issue date Jun 19, 1990
- Hitachi, Ltd.
- Eiichi Hazaki
- 418 - Rotary expansible chamber devices
Information Patent Grant
Scroll-type fluid machine with different terminal end wrap angles
- Patent number 4,904,170
- Issue date Feb 27, 1990
- Hitachi, Ltd.
- Kazutaka Suefuji
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Scroll compressor with valved port for each compression chamber
- Patent number 4,818,195
- Issue date Apr 4, 1989
- Hitachi, Ltd.
- Akira Murayama
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Anti-rotation mechanism for use with orbiting scroll member of scro...
- Patent number 4,810,176
- Issue date Mar 7, 1989
- Hitachi, Ltd.
- Kazutaka Suefuji
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Air conditioner or refrigerating plant incorporating scroll compressor
- Patent number 4,774,816
- Issue date Oct 4, 1988
- Hitachi, Ltd.
- Naoshi Uchikawa
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Sealed type scroll compressor with wire mesh oil separating member
- Patent number 4,755,114
- Issue date Jul 5, 1988
- Hitachi, Ltd.
- Masao Shibayashi
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Oil feeding device for scroll fluid apparatus
- Patent number 4,749,344
- Issue date Jun 7, 1988
- Hitachi, Ltd.
- Yoshikatsu Tomita
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Scroll-type fluid machine with seal to aid lubrication
- Patent number 4,743,181
- Issue date May 10, 1988
- Hitachi, Ltd.
- Akira Murayama
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Hermetic scroll compressor having concave spaces communicating with...
- Patent number 4,730,997
- Issue date Mar 15, 1988
- Hitachi, Ltd.
- Takahiro Tamura
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Scroll compressor with closed compression spaces having valves to r...
- Patent number 4,714,415
- Issue date Dec 22, 1987
- Hitachi, Ltd.
- Takao Mizuno
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Hermetic scroll compressor with welded casing section
- Patent number 4,696,629
- Issue date Sep 29, 1987
- Hitachi, Ltd.
- Masao Shiibayashi
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Scroll-type fluid machine with configured wrap edges and grooves
- Patent number 4,690,625
- Issue date Sep 1, 1987
- Hitachi, Ltd.
- Akira Murayama
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Scroll compressor with pressure differential maintained for supplyi...
- Patent number 4,669,962
- Issue date Jun 2, 1987
- Hitachi, Ltd.
- Takao Mizuno
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Scroll fluid apparatus
- Patent number 4,596,521
- Issue date Jun 24, 1986
- Hitachi, Ltd.
- Akira Murayama
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Scroll-type fluid machine with radial clearance between wraps
- Patent number 4,579,512
- Issue date Apr 1, 1986
- Hitachi, Ltd.
- Masao Shiibayashi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Scroll device with suction chamber pressure relief
- Patent number 4,560,330
- Issue date Dec 24, 1985
- Hitachi, Ltd.
- Akira Murayama
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Scroll-type fluid machine with back pressure chamber biasing an orb...
- Patent number 4,557,675
- Issue date Dec 10, 1985
- Hitachi, Ltd.
- Akira Murayama
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Bearing device of sealed type scroll compressor
- Patent number 4,551,082
- Issue date Nov 5, 1985
- Hitachi, Ltd.
- Eiichi Hazaki
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Scroll-type compressor
- Patent number 4,545,747
- Issue date Oct 8, 1985
- Hitachi, Ltd.
- Takahiro Tamura
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Sealed type electrically operated compressor
- Patent number 4,518,324
- Issue date May 21, 1985
- Hitachi, Ltd.
- Takao Mizuno
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Bearing device for scroll-type compressor
- Patent number 4,473,343
- Issue date Sep 25, 1984
- Hitachi, Ltd.
- Eiichi Hazaki
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Refrigerating system using scroll type compressor
- Patent number 4,382,370
- Issue date May 10, 1983
- Hitachi, Ltd.
- Kazutaka Suefuji
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Hermetic motor compressor
- Patent number 4,371,319
- Issue date Feb 1, 1983
- Hitachi, Ltd.
- Akira Murayama
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Hermetic motor-compressor
- Patent number 4,352,642
- Issue date Oct 5, 1982
- Hitachi, Ltd.
- Akira Murayama
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Akira Murayama

Person

Patents Grantslast 30 patents

Scroll type compressor and refrigeration cycle using the same

Scroll compressor with first and second oil pumps in series

Capacity-controllable air conditioner

Bearing device of sealed type scroll compressor

Scroll-type fluid machine with different terminal end wrap angles

Scroll compressor with valved port for each compression chamber

Anti-rotation mechanism for use with orbiting scroll member of scro...

Air conditioner or refrigerating plant incorporating scroll compressor

Sealed type scroll compressor with wire mesh oil separating member

Oil feeding device for scroll fluid apparatus

Scroll-type fluid machine with seal to aid lubrication

Hermetic scroll compressor having concave spaces communicating with...

Scroll compressor with closed compression spaces having valves to r...

Hermetic scroll compressor with welded casing section

Scroll-type fluid machine with configured wrap edges and grooves

Scroll compressor with pressure differential maintained for supplyi...

Scroll fluid apparatus

Scroll-type fluid machine with radial clearance between wraps

Scroll device with suction chamber pressure relief

Scroll-type fluid machine with back pressure chamber biasing an orb...

Bearing device of sealed type scroll compressor

Scroll-type compressor

Sealed type electrically operated compressor

Bearing device for scroll-type compressor

Refrigerating system using scroll type compressor

Hermetic motor compressor

Hermetic motor-compressor