LandOfFree - US Patents - Listing for Rotary expansible chamber devices,Grooved abutting cylinder-rotating member end surfaces

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Vacuum producing rotary vane pump with shaft lubrication

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

Patent

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Vane compressor with vane back pressure adjustment

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

Patent

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Vane compressor with vane back pressure adjustment

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

Patent

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Vane compressor with vane back pressure adjustment

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

Patent

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Vane compressor with vane back pressure adjustment

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

Patent

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Vane machine, having a controlled pressure acting on the vane en

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces – Groove communicates with vane slot

Patent

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Vane pump having a pressure compensating valve

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces – Groove communicates with vane slot

Reexamination Certificate

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Vane pump with a throttling groove in the rotor

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces – Grooved working member surface

Patent

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Vane pump with annular groove in rotor which connects undervane

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces – Grooved working member surface

Patent

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Vane pump with pressure leaking groove to reduce pulsations

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

Patent

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Vane type compressor with fluid pressure biased vanes

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces – Groove communicates with vane slot

Patent

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Vane-type pump or motor with undervane fluid bias

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces – Annular groove or recess completely encircles rotation axis

Patent

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Vane-type rotary machines

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces – Groove communicates with vane slot

Patent

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