LandOfFree - US Patents - Listing for Rotary expansible chamber devices,With mechanical sealing

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Gas seal means for rotary piston engines

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

Patent

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Gear machine centering arrangement

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

Patent

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Gear Machine for a pump or engine having bearing members with ci

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

Patent

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Gear machine for use as a pump or motor

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

Patent

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Gear machine operable as pump or motor with axially spaced and c

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

Patent

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Gear machine with cutouts in the shaft journals

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

Patent

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Gear machine with displaceable central housing part

Rotary expansible chamber devices – With mechanical sealing – By changing working member or cylinder relative position

Patent

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Gear machine with fluid-biased end face sealing elements

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

Patent

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Gear machine with oppositely aligned sealing elements

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

Patent

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Gear motor with valve controlled pressure biased end seals for f

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

Patent

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Gear motor with valve controlled pressure biased end-plate seal

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

Patent

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Gear positive displacement machine with gaps between bearing mem

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

Patent

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Gear positive displacement machine with U-shaped supporting elem

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

Patent

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Gear pump

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

Patent

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Gear pump and liquid injection apparatus

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

Reexamination Certificate

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Gear pump having a pressure biased side sealing plate and thrott

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

Patent

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Gear pump having an isolator to protect its bearings

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

Patent

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Gear pump having members with different hardnesses

Rotary expansible chamber devices – With mechanical sealing

Patent

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Gear pump or motor with axially movable bearing blocks

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

Patent

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Gear pump or motor with hard layer in interior casing surface

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

Patent

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