LandOfFree - US Patents - Listing for Rotary expansible chamber devices

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

Protective shroud for the shaft of a helical gear pump

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

Pulley mechanism for fluid displacement apparatus

Rotary expansible chamber devices – Moving cylinder – Rotating

Pulse tuned optimized positive displacement porting

Rotary expansible chamber devices – Methods

Pulse-free blower

Rotary expansible chamber devices – With mechanical sealing – Axially movable end wall or end wall portion

Pump

Rotary expansible chamber devices – With mechanical sealing – Axially movable end wall or end wall portion

Pump

Rotary expansible chamber devices – With mechanical sealing

Pump

Rotary expansible chamber devices – Positively actuated vane

Pump

Rotary expansible chamber devices – With mechanical sealing – Seal element between stationary cylinder parts

Pump

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

Pump

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

Pump and flow sensor combination

Rotary expansible chamber devices – Interconnected vanes – Integrally connected

Pump and ink jet printer mounting the pump

Rotary expansible chamber devices – Positively actuated vane

Pump apparatus having drive force input portion aligned with...

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

Pump assembly

Rotary expansible chamber devices – With mechanical sealing – Axially movable end wall or end wall portion

Pump assembly

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

Pump body for a medical gear pump

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

Pump comprising a water supply

Rotary expansible chamber devices – Moving cylinder – Rotating

Pump device

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

Pump device