LandOfFree - US Patents - Listing for Rotary expansible chamber devices

Rotary expansible chamber devices – With frangible drive connection or clutch

Pump drive system

Rotary expansible chamber devices – Moving cylinder – Rotating

Pump equipment with plural rotary pumps and method for...

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

Pump for conveying molten masses of polymers and elastomers

Rotary expansible chamber devices – With wear surface treatment or integrally plated wear layer

Pump for dispensing resins

Rotary expansible chamber devices – Multistage – Interengaging rotary members

Pump for hot and cold fluids

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

Pump for pumping a liquid containing solid contaminants

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

Pump for pumping fluid without vacuum boiling

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

Pump for thermoplastic materials with heater means

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

Pump for use in a paint application apparatus

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

Pump for viscous fluids

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

Pump having a main outlet communicating with a secondary...

Rotary expansible chamber devices – Interconnected vanes – Integrally connected

Pump having an intermediate element with a pivot bearing...

Rotary expansible chamber devices – With mechanical sealing – Seal element between working member and cylinder

Pump impeller

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

Pump including integral reservoirs for permitting dry run of pum

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

Pump rotor

Rotary expansible chamber devices – With mechanical sealing

Pump seal arrangement accessible from the base plate

Rotary expansible chamber devices – Trapped fluid relief

Pump structure

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

Pump unit

Rotary expansible chamber devices – Working member has planetary or planetating movement

Pump utilizing helical seal