LandOfFree - US Patents - Listing for Rotary expansible chamber devices

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces – Working fluid portion fills intertooth spaces or spaces...

Apparatus for controlling pressure distribution in gear pump

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

Apparatus for discharging material

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

Apparatus for forming deposited film

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

Apparatus for indicating remaining life expectancy of a...

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

Apparatus for minimizing oil leakage during reverse running...

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces – Working fluid portion fills intertooth spaces or spaces...

Apparatus for noise suppression in a gear pump

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

Apparatus for preventing reverse rotation of scroll compressor

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

Apparatus for preventing the backflow of gas of scroll...

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

Apparatus for preventing vacuum state in scroll compressor

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

Apparatus for producing a controllable, uniform conveying pressu

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

Apparatus for reducing friction loss in scroll compressor

Rotary expansible chamber devices – Combined

Apparatus for reducing pressure pulsations

Rotary expansible chamber devices – Moving cylinder – Rotating

Apparatus for supporting rotary sleeve of rotary compressor by f

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

Apparatus having expanding and contracting chamber

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

Appartus for preventing overheat of scroll compressor

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

Arcuate piston rotary engine

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

Arrangement at oil-injected high-pressure screw compressor

Rotary expansible chamber devices – Heat exchange or non-working fluid lubricating or sealing – With condition responsive control of non-working fluid

Arrangement for controlling the flow of a coolant fluid in a...

Rotary expansible chamber devices – Moving cylinder – Rotating

Arrangement for mounting a gear on a shaft