LandOfFree - US Patents - Listing for Rotary expansible chamber devices,Grooved abutting cylinder-rotating member end surfaces

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces – Working fluid portion fills intertooth spaces or spaces...

Gerotor pump having inlet and outlet relief ports

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces – Grooved working member surface

Gerotor pump with blind-end groove on each lobe of the annulus

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces – Groove communicates with vane slot

High efficiency rotary vane motor

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces – Grooved working member surface

Hydraulic gear motor

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces – Non-working fluid directed to groove

Hydraulic pump or motor with interchangeable gears

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces – Groove communicates with vane slot

Hydraulic vane pump with enhanced axial pressure balance and flo

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces – Groove communicates with vane slot

Hydraulically balanced multi-vane hydraulic motor

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces – Groove communicates with vane slot

Integrated select high pressure valve

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces

Internal gear pump with tapered oil pockets in sliding surfaces

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces – Radial groove

Internal gear type rotary pump having a relief groove

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces – Groove communicates with vane slot

Low frictional loss rotary vane gas compressor having superior l

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces – Grooved working member surface

Meshing cog-wheel injection unit with lateral sealing and scrope

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces – Grooved working member surface

Multi-chambered pump

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces – Groove communicates with vane slot

Multi-vane type compressor

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces

Power steering pump

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces – Groove communicates with vane slot

Power steering pump with balanced porting

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces – Groove communicates with vane slot

Power transmission

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces – Groove communicates with vane slot

Pressure proportioning regulator valve and vane machine includin

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces – Radial groove

Progressive staged flow to precompress the pump internal...