LandOfFree - US Patents - Listing for Rotary expansible chamber devices

Rotary expansible chamber devices – Moving cylinder – Rotating

Oil pump

Rotary expansible chamber devices – Moving cylinder – Rotating

Oil pump

Rotary expansible chamber devices – Self-acting unidirectional flow with reverse rotation or...

Oil pump

Rotary expansible chamber devices – Moving cylinder – Rotating

Oil pump

Rotary expansible chamber devices – With wear surface treatment or integrally plated wear layer

Oil pump

Rotary expansible chamber devices – Specific material

Oil pump adapted to prevent leakage without using sealing...

Rotary expansible chamber devices – Working member has planetary or planetating movement – Plural working members or chambers

Oil pump and method of assembling the oil pump

Rotary expansible chamber devices – Moving cylinder – Rotating

Oil pump apparatus

Rotary expansible chamber devices – With plural working fluid inlet or outlet passages

Oil pump apparatus

Rotary expansible chamber devices – Heat exchange or non-working fluid lubricating or sealing – With pump for non-working fluid

Oil pump for a closed type compressor

Rotary expansible chamber devices – Heat exchange or non-working fluid lubricating or sealing – With pump for non-working fluid

Oil pump for a compressor

Rotary expansible chamber devices – With changeable working chamber magnitude – Intermeshing rotary members

Oil pump for an internal combustion engine

Rotary expansible chamber devices – With changeable working chamber magnitude – Intermeshing rotary members

Oil pump for an internal combustion engine

Rotary expansible chamber devices – Moving cylinder – Rotating

Oil pump for automatic transmission with effective sealing arran

Rotary expansible chamber devices – Moving cylinder – Rotating

Oil pump for transaxle

Rotary expansible chamber devices – Moving cylinder – Rotating

Oil pump having a sealing mechanism for a pumping chamber

Rotary expansible chamber devices – Moving cylinder – Rotating

Oil pump having pivoting vanes

Rotary expansible chamber devices – Specific material

Oil pump made of aluminum alloys

Rotary expansible chamber devices – Working chamber surface expressed mathematically

Oil pump rotor