LandOfFree - US Patents - Listing for Rotary expansible chamber devices

Rotary expansible chamber devices – Multistage – Interengaging rotary members

Pressure seal for a vacuum pump

Rotary expansible chamber devices – Interengaging rotating members – Each tapered

Pressure sealed tapered screw pump/motor

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

Pressure tolerant balanced motor valve

Rotary expansible chamber devices – Miscellaneous

Pressure valve for a rotary piston compressor

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

Pressure-balancing end plate for a reversible gear pump or motor

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

Pressurized vapor driven rotary engine

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

Pressurized vapor driven rotary engine

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

Prevention against shifting of tip seal of scroll compressor

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

Prime mover with toothed rotors having different diameter portio

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

Process and arrangement including a gear pump for handling therm

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

Process for anodizing aluminum materials and application members

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

Profiles of screw-type rotors for rotary machines conveying a ga

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

Progessive cavity pump

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

Progressing cavity pump

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

Progressing cavity pump assembly and method of operation

Rotary expansible chamber devices – Methods

Progressing cavity pump having a ratio of eccentricity,...

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

Progressing cavity pump having less compressive fit near the dis

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

Progressing cavity pump including a stator modified to improve m

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

Progressing cavity pump or motor