LandOfFree - US Patents - Listing for Rotary expansible chamber devices

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

Vacuum pump with improved oil lubrication

Rotary expansible chamber devices – Heat exchange or non-working fluid lubricating or sealing – With condition responsive control of non-working fluid

Vacuum pump with lubricant control system to interrupt lubricant

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

Vacuum pump with oil separator

Rotary expansible chamber devices – Positively actuated vane

Vacuum pump with planetary gear accelerator

Rotary expansible chamber devices – Interconnected vanes – Integrally connected

Vacuum pump with resilient drive

Rotary expansible chamber devices – Interconnected vanes – Interposed movable member interconnects plural vanes

Vacuum pumps

Rotary expansible chamber devices – Interengaging rotating members – Each tapered

Vacuum pumps

Rotary expansible chamber devices – Interengaging rotating members – Each tapered

Vacuum pumps

Rotary expansible chamber devices – Interengaging rotating members – Each tapered

Vacuum pumps

Rotary expansible chamber devices – With mechanical sealing

Vacuum pumps

Rotary expansible chamber devices – Interengaging rotating members

Vacuum pumps

Rotary expansible chamber devices – Multistage – Sliding vane

Vacuum pumps

Rotary expansible chamber devices – Interengaging rotating members – Each tapered

Vacuum pumps

Rotary expansible chamber devices – Diverse rotary expansible chamber devices

Vacuum pumps with claw-type rotor and roots-type rotor near the

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

Valve controlled reversible pump

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

Valve controlled reversible pump with anticavitation means

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

Valve device for control of the inner volume relation in a screw

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

Valve for scroll compressor

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

Valve indexing for a compressor