LandOfFree - US Patents - Listing for Rotary expansible chamber devices

Rotary expansible chamber devices – Interengaging rotating members – Non-parallel axis

Leakage path interconnection for single screw mechanisms

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

Leakage prevention means for a positive displacing machine

Rotary expansible chamber devices – Positively actuated abutment – Spring biased

Lever-mechanism motor or pump

Rotary expansible chamber devices – Positively actuated abutment – Spring biased

Lever-mechanism motor or pump

Rotary expansible chamber devices – Multistage

Light gas vacuum pumping system

Rotary expansible chamber devices – Specific material

Light weight vane-type rotary compressor

Rotary expansible chamber devices – Methods

Light-gas-isolation, oil-free, scroll vaccum-pump system

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

Lightweight scroll element and method of making

Rotary expansible chamber devices – With changeable working chamber magnitude – Spring or fluid biased movable member

Linear motion thrust block for hydraulic pumps and motors

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

Linear oil seal means principally intended to obtain an oil scra

Rotary expansible chamber devices – Nutating working member – Working member common to plural working chambers

Link-coupled rotor assembly

Rotary expansible chamber devices – Specific material

Linking element for connecting the two volutes of a scroll...

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

Liquid cooled compressor with improved liquid separation

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

Liquid immersible scroll pump

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

Liquid injected compressor with temperature control of liquid

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

Liquid injecting type oil-free screw compressor

Rotary expansible chamber devices – Working chamber surface expressed mathematically

Liquid injection type screw compressor with lubricant relief cha

Rotary expansible chamber devices – Positively actuated vane

Liquid intake mechanism for rotary vane hydraulic motors

Rotary expansible chamber devices – Interconnected abutments

Liquid pump having an elongate slider and a pair of rotating dis