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Radial piston pump with a roller plunger

  • US 7,762,176 B2
  • Filed: 07/27/2005
  • Issued: 07/27/2010
  • Est. Priority Date: 10/06/2004
  • Status: Active Grant
First Claim
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1. A radial piston pump, having a pump housing and at least one pump unit comprising a pump piston and a cylinder insert in which the pump piston is mounted such that the pump piston can be moved back and forth,wherein the pump unit is configured to be driven by means of a camshaft mounted in the pump housing,wherein a roller plunger comprising a plunger and a roller is arranged between the camshaft and the pump unit, wherein the plunger comprises a guide area configured to guide said plunger in a first slot-shaped guide groove of the cylinder insert, andwherein the roller is guided in a second slot-shaped guide groove of the cylinder insert.

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