LandOfFree - US Patents - Listing for Rotary expansible chamber devices

Rotary expansible chamber devices – Convertible or changeable by assembly or disassembly

Pump with disk-shaped piston for liquid or gaseous fluids

Rotary expansible chamber devices – With mechanical sealing

Pump with improved bearing arrangement for axial position contro

Rotary expansible chamber devices – With frangible drive connection or clutch

Pump with magnetic clutch

Rotary expansible chamber devices – With signal – indicator or transparent inspection means

Pump with rotatable reservoir casing and index means

Rotary expansible chamber devices – Specific material

Pump with side surface coating

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

Pump with twin cylindrical impellers

Rotary expansible chamber devices – Heat exchange or non-working fluid lubricating or sealing – With coolant air impelling means or finned cylinder surface

Pump with undulating pump element

Rotary expansible chamber devices – Interconnected vanes

Pump with vane actuating system

Rotary expansible chamber devices – Interconnected vanes

Pump with vane actuating system

Rotary expansible chamber devices – Collapsible progressively deformed working chamber wall

Pump with yieldable radial partitions and rotatable side plates

Rotary expansible chamber devices – Non-metallic working member – cylinder or partition

Pump, in particular gear pump including ceramic gears and seal

Rotary expansible chamber devices – Interconnected abutments

Pump-motor for fluid with elliptical members

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

Pump/motor apparatus using 2-lobe stator

Rotary expansible chamber devices – Shaft or trunnion lubrication or sealing by diverted working...

Pumping process for operating a multi-phase screw pump and pump

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

Pumping system comprising a high-capacity positive-displacement

Rotary expansible chamber devices – Trapped fluid relief

Pumps

Rotary expansible chamber devices – Interengaging rotating members – Three or more

Pumps

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

Pumps and motors