Inventor

HIRAGA MASAHARU

40 patents

⚠️ This page may combine multiple inventors who share the name “HIRAGA MASAHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HIRAGA MASAHARU

SANDEN CORP

Drive mechanism for a scroll type fluid displacement apparatus

Refrigerant compressor with a capacity adjusting mechanism

Refrigerant compressor for automobile air-conditioning system

Biased drive mechanism for an orbiting fluid displacement member

Scroll type fluid compressor with thickened spiral elements

Scroll type fluid displacement apparatus with thickened center wrap portions

Scroll type fluid compressor unit with axial end surface sealing means

Scroll type compressor with displacement adjusting mechanism

Scroll type compressor with displacement adjusting mechanism

Scroll type fluid displacement apparatus

Rotation prevention device for an orbiting member of a fluid displacement apparatus

Scroll type fluid displacement apparatus with balanced drive means

Scroll type fluid displacement compressor with spiral wrap elements of varying thickness

Scroll type fluid displacement apparatus with nonuniform scroll height

Scroll type fluid displacement apparatus with improved end plate fluid passage means

Scroll type fluid displacement apparatus with offset wraps for reduced housing diameter

Driving support mechanism for an orbiting scroll of a scroll type fluid displacement apparatus

Scroll type fluid displacement apparatus with reinforced wrap seals

Variable displacement compressor with biased inclined member

Pulley mechanism for fluid displacement apparatus

Scroll-type fluid displacement apparatus with angular offset varying means

Axial sealing device for a scroll-type fluid displacement apparatus

Scroll type fluid displacement apparatus with pressure communicating passage between pockets

Scroll type fluid compressor with high strength sealing element

Scroll manufacturing method and tool

Scroll manufacturing tool

Scroll manufacturing tool

SANKYO ELECTRIC CO

Scroll type compressor with oil passageways through the housing

Scroll type compressor having an oil separator and oil sump in the suction chamber

Reduced diameter devices with an electromagnetic clutch

Scroll-type compressor with reduced housing radius

Refrigerant compressor

Lubrication system for compressor unit

Refrigerant compressor

Refrigerant compressors

Multi-cylinder compressor having spaced arrays of cylinders

Fluid suction and discharge apparatus

Drive shaft seal for compressor housing

Refrigerant compressor

SANKYO ELECTRIC IND LTD

Fluid suction and discharge apparatus