LandOfFree - US Patents - Listing for Rotary expansible chamber devices

Rotary expansible chamber devices – Unlike helical surfaces on relatively wobbling rotating...

Hardfacing for progressing cavity pump rotors

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

Heat pipe cooling of a rotary engine rotor

Rotary expansible chamber devices – Working member has planetary or planetating movement – Helical working member – e.g. – scroll

Heat shield with seal between end cap and non-orbiting scroll

Rotary expansible chamber devices – Helical working member

Helical blade fluid compressor having an aluminum alloy...

Rotary expansible chamber devices – Helical working member

Helical blade type compressor and a refrigeration cycle...

Rotary expansible chamber devices – Multistage – One working chamber stage encircles another

Helical blade type compressor having a helical blade in a...

Rotary expansible chamber devices – Helical working member

Helical blade type compressor with thrust loss compensation

Rotary expansible chamber devices – Heat exchange or non-working fluid lubricating or sealing – Vent or non-seal means prevents working and non-working...

Helical dry screw expander with sealing gas to the shaft seal sy

Rotary expansible chamber devices – Moving cylinder – Rotating

Helical gear fluid machine

Rotary expansible chamber devices – Interengaging rotating members – Helical or herringbone

Helical gear machine with improved high pressure port

Rotary expansible chamber devices – Unlike helical surfaces on relatively wobbling rotating...

Helical gear pump

Rotary expansible chamber devices – Unlike helical surfaces on relatively wobbling rotating...

Helical gear pump and method of manufacturing the same

Rotary expansible chamber devices – Unlike helical surfaces on relatively wobbling rotating...

Helical gear pump and stator with constant rubber wall thickness

Rotary expansible chamber devices – Trapped fluid relief

Helical gear pump or gear motor with optimal relief grooves for

Rotary expansible chamber devices – Unlike helical surfaces on relatively wobbling rotating...

Helical gear pump with progressive interference between rotor an

Rotary expansible chamber devices – Trapped fluid relief

Helical gear pump with specific helix angle, tooth contact lengt

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

Helical metering pump having different sized rotors

Rotary expansible chamber devices – Working member has planetary or planetating movement – Helical working member – e.g. – scroll

Helical positive-displacement machine having a meandering sealin

Rotary expansible chamber devices – Interengaging rotating members – Helical or herringbone

Helical screw rotor profiles