LandOfFree - US Patents - Listing for Rotary expansible chamber devices,With mechanical sealing,Axially movable end wall or end wall portion

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Vane pump having a hydraulic resistance element

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

Patent

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Vane pump having a pressure plate which is concave when unloaded

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

Patent

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Vane pump having an abradable coating on the rotor

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

Reexamination Certificate

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Vane pump having an intake groove through a side wall member

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

Reexamination Certificate

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Vane pump with improved internal port placement

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

Reexamination Certificate

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Vane pump with positioning pins for cam ring

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

Patent

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Vane pump with positioning pins for cam ring and side plates

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

Patent

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Vane pump with pressure chambers at the outlet to reduce noise

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

Patent

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Vane type positive displacement pump having multiple pump units

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

Patent

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Vane type rotary device

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

Patent

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