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Hydraulic system volume reducer

  • US 6,647,953 B1
  • Filed: 08/30/2001
  • Issued: 11/18/2003
  • Est. Priority Date: 08/30/2001
  • Status: Expired due to Fees
First Claim
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1. A hydraulic system comprising:

  • a pressurizer for pressurizing hydraulic fluid;

    an actuator responsive to pressurized fluid to perform work;

    a hydraulic fluid line interconnecting said pressurizer and said actuator; and

    a volume reducer in said hydraulic fluid line, said volume reducer including a substantially straight section of said hydraulic fluid line and a body freely slidable in said straight section in response to pressure changes in said hydraulic fluid line, said body configured with and arranged in said straight section for reducing the volume of hydraulic fluid required for operating said system by transmitting pressurization of hydraulic fluid in said fluid line on one side of said body to hydraulic fluid in said fluid line on an opposite side of said body.

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