4. Rotary expansible chamber devices
  5. Interengaging rotating members
  6. Helical or herringbone

Lars H. Segerstrom

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Device for pumping oil

Pumps – Motor driven – Axial thrust balancing means for rotary pump and motor
Patent

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Hydraulic screw machine

Rotary expansible chamber devices – Interengaging rotating members – Helical or herringbone
Patent

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Hydraulic screw machine with balance plunger

Rotary expansible chamber devices – Interengaging rotating members – Helical or herringbone
Patent

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Profile ID: LFUS-PAI-P-13888

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