LandOfFree - US Patents - Listing for Rotary expansible chamber devices,With mechanical sealing

Rotary expansible chamber devices – With mechanical sealing – Axially movable end wall or end wall portion

Vane pump

Rotary expansible chamber devices – With mechanical sealing – Axially movable end wall or end wall portion

Vane pump

Rotary expansible chamber devices – With mechanical sealing – Axially movable end wall or end wall portion

Vane pump

Rotary expansible chamber devices – With mechanical sealing – Axially movable end wall or end wall portion

Vane pump and vapor leakage check system having the same

Rotary expansible chamber devices – With mechanical sealing – Axially movable end wall or end wall portion

Vane pump having a hydraulic resistance element

Rotary expansible chamber devices – With mechanical sealing – Seal element between working member and cylinder

Vane pump having a labyrinth seal and gap between a top...

Rotary expansible chamber devices – With mechanical sealing

Vane pump having a pressure plate and a shaft seal

Rotary expansible chamber devices – With mechanical sealing – Axially movable end wall or end wall portion

Vane pump having a pressure plate which is concave when unloaded

Rotary expansible chamber devices – With mechanical sealing – Axially movable end wall or end wall portion

Vane pump having an abradable coating on the rotor

Rotary expansible chamber devices – With mechanical sealing – Axially movable end wall or end wall portion

Vane pump having an intake groove through a side wall member

Rotary expansible chamber devices – With mechanical sealing – Axially movable end wall or end wall portion

Vane pump with improved internal port placement

Rotary expansible chamber devices – With mechanical sealing – By changing working member or cylinder relative position

Vane pump with locating pins for cam ring

Rotary expansible chamber devices – With mechanical sealing – Axially movable end wall or end wall portion

Vane pump with positioning pins for cam ring

Rotary expansible chamber devices – With mechanical sealing – Axially movable end wall or end wall portion

Vane pump with positioning pins for cam ring and side plates

Rotary expansible chamber devices – With mechanical sealing – Axially movable end wall or end wall portion

Vane pump with pressure chambers at the outlet to reduce noise

Rotary expansible chamber devices – With mechanical sealing – Seal element between working member and vane

Vane pump with spring sealing elements against the vane faces

Rotary expansible chamber devices – With mechanical sealing – Seal element between working member and vane

Vane pump with symmetrical inclined fluid confinement initiating

Rotary expansible chamber devices – With mechanical sealing – Seal element between working member and vane

Vane structure for vane type air pumps

Rotary expansible chamber devices – With mechanical sealing – Seal element between working member and vane

Vane type compressor with double-wall vanes