LandOfFree - US Patents - Listing for Rotary expansible chamber devices

Rotary expansible chamber devices – Apertured bypass to pressurize or relieve working chamber...

Volumetric blower with covers having a duct for connection...

Rotary expansible chamber devices – Interengaging rotating members – Like rotary members

Volumetric compressor of the roots type

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

Volumetric fluid compressor

Rotary expansible chamber devices – With delayed load

Volumetric fluid compressor device

Rotary expansible chamber devices – Interengaging rotating members – Each tapered

Volumetric machine with conical screws

Rotary expansible chamber devices – With removal or accommodation of solid foreign material in...

Volumetric machine with screw and pinion-wheels

Rotary expansible chamber devices – Interengaging rotating members – Non-parallel axis

Volumetric rotary machine

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

Volumetric screw compressor

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

Volumetric screw compressor

Rotary expansible chamber devices – Interengaging rotating members – Non-parallel axis

Volumetric screw-and-pinion machine and a method for using the s

Rotary expansible chamber devices – Working chamber surface expressed mathematically

Volumetric type flowmeter having circular and involute tooth sha

Rotary expansible chamber devices – Positively actuated vane – Fluid biased

Volumetric vane pump for fluid-hydraulic drive

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

Volute compressor

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

Vortex compressor

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

Wafer elements for progressing cavity stators

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

Wafer elements for progressing cavity stators

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

Wall shape for scroll-type compressor vanes

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

Wankel type pump for transporting fluid with entrained...

Utility Patent

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

Wankel-type engine with semi-circular sectional configuration fo