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Apparatus for flow rate control

  • US 6,929,235 B1
  • Filed: 04/07/2003
  • Issued: 08/16/2005
  • Est. Priority Date: 04/19/2002
  • Status: Expired due to Fees
First Claim
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1. An apparatus to control the flow rate of a fluid, comprising:

  • a first clamp body having a channel with a shape curved in a direction along a length of the channel and with a depth that varies as a predetermined function of angular position along the length of the channel;

    a second clamp body coupled to said first clamp body; and

    a clamping structure coupled to at least one of said first and second clamp bodies, movably disposed in the channel.

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