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Hydraulic dynamometer

  • US 4,864,872 A
  • Filed: 06/13/1988
  • Issued: 09/12/1989
  • Est. Priority Date: 06/13/1988
  • Status: Expired due to Fees
First Claim
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1. A hydraulic dynamometer comprising:

  • a housing defining a working compartment;

    a shaft having a shaft axis journalled.in said housing and extending into said working compartment;

    a rotor having a rotor face mounted on said shaft in said working compartment for rotation about said shaft axis;

    a stator mounted in said housing having a stator face facing and spaced-apart from said rotor face to define a rotor-stator clearance space in said working compartment;

    said rotor face having a plurality of rotor fluid active elements and said stator face having a plurality of stator fluid active elements, said rotor and stator fluid active elements being circumferentially arranged about said shaft axis;

    liquid supply means for providing a flow of liquid into said working compartment, said .liquid supply means comprising a plurality of inlets in said rotor face adapted to supply liquid to said rotor-stator clearance space;

    liquid collection means for discharging liquid from said working compartment; and

    whereby liquid supplied to said working compartment interacts with said rotor and stator fluid active elements to apply braking forces to said rotor.

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