LandOfFree - US Patents - Listing for Rotary expansible chamber devices

Rotary expansible chamber devices – Moving cylinder – Rotating

Gear train mechanism having reduced leakage

Rotary expansible chamber devices – Heat exchange or non-working fluid lubricating or sealing – Non-working fluid passage in inner working or reacting member

Gear transfer pump with lubrication and sealing of the driveshaf

Rotary expansible chamber devices – Pressure fluid radially balances working or rotating... – Counterbalancing fluid directed to intertooth spaces or...

Gear type pump or motor with radial balancing

Rotary expansible chamber devices – Interengaging rotating members

Gear unit for a deep-borehole pump

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

Gear wheel assembly for hydraulic purposes, and method assemblin

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces – Grooved working member surface

Gear wheel pump with reduced power requirement

Rotary expansible chamber devices – Moving cylinder – Rotating

Gear-type machine with flattened cycloidal tooth shapes

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

Gear-type positive-displacement machine

Rotary expansible chamber devices – Moving cylinder – Rotating

Gear-type pump having pressure balanced support

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

Gear-wheel pump, in particular for a high-pressure fuel pump

Rotary expansible chamber devices – Pressure fluid radially balances working or rotating...

Gear-within-gear fuel pump and method of pressure balancing same

Rotary expansible chamber devices – Relatively movable working member and drive shaft axes

Geared feed pump for supplying fuel to a high pressure fuel...

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

Geared feed pump having a platelike cover element and an...

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

Geared pump for conveying fluids

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

Geared pump with forced lubricated coupling

Rotary expansible chamber devices – Intermittently accelerated and receding members rotate in... – Each a working member

Gearing by definition a dveljagimmal

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

Gearing system having interdigital concave-convex teeth formed a

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

Gearing system having interdigited teeth with convex and concave

Rotary expansible chamber devices – With mechanical sealing – Seal on cylinder engaging rotary member separates inlet and...

Gearing with mating internal and spur gears