4. Rotary expansible chamber devices
  5. Diverse rotary expansible chamber devices

Heinz Frings

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Apparatus and method for regulating a pressure in a chamber

Fluid handling – Line condition change responsive valves – Pilot or servo controlled
Patent

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Bearing support for a twin-shaft pump

Rotary expansible chamber devices – Interengaging rotating members – Like rotary members
Patent

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Oil supply device for a rotary machine

Pumps – Motor driven – Motor within rotary pumping member
Patent

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Two-shaft vacuum pump with internal compression

Rotary expansible chamber devices – Diverse rotary expansible chamber devices
Patent

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Vacuum pump with overload protection valve

Pumps – With condition responsive pumped fluid control – Pressure responsive relief or bypass valve
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Profile ID: LFUS-PAI-P-1050067

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