LandOfFree - US Patents - Listing for Rotary expansible chamber devices

Rotary expansible chamber devices – Helical working member

Fluid compressor

Rotary expansible chamber devices – Helical working member

Fluid compressor

Rotary expansible chamber devices – Helical working member

Fluid compressor

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

Fluid compressor having a horizontal rotation axis

Rotary expansible chamber devices – Helical working member

Fluid compressor having a molded helical blade

Rotary expansible chamber devices – Helical working member

Fluid compressor having improved Oldham mechanism

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces – Non-working fluid directed to groove

Fluid compressor having lubrication for two spiral blade compres

Rotary expansible chamber devices – Helical working member

Fluid compressor having roller bearing

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

Fluid compressor with adjustable bearing support plate

Rotary expansible chamber devices – Helical working member

Fluid compressor with axial thrust balancing

Rotary expansible chamber devices – Helical working member

Fluid compressor with bearing means disposed inside a rotary rod

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

Fluid compressor with liquid separating baffle overlying the inl

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

Fluid compressor with spiral blade

Rotary expansible chamber devices – With supply or exhaust passage in working member – Supply or exhaust passage through working member center of...

Fluid compressor with vertical longitudinal axis

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

Fluid delivery device

Rotary expansible chamber devices – Miscellaneous

Fluid device with wear reducing rotor assembly

Rotary expansible chamber devices – Rotating internal member rotates and oscillates or reciprocates

Fluid displacement apparatus

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

Fluid displacement apparatus having pressure sensing device

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

Fluid displacement apparatus with improved helical rotor...