4. Rotary expansible chamber devices
  5. Interengaging rotating members
  6. Each tapered

Hong-Sheng Fang

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Asymmetric double screw rotor assembly

Rotary expansible chamber devices – Interengaging rotating members – Helical or herringbone
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Double screw rotor assembly

Rotary expansible chamber devices – Interengaging rotating members – Each tapered
Reexamination Certificate

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Double screw rotor assembly having means to automatically...

Rotary expansible chamber devices – Interengaging rotating members – Each tapered
Reexamination Certificate

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Double screw rotor assembly with electrically controlled...

Pumps – With condition responsive pumped fluid control – Bypass or relief valve controls venting by movable pump...
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Multi-stage vacuum pump

Rotary expansible chamber devices – Multistage – Interengaging rotary members
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Profile ID: LFUS-PAI-P-2064641

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