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Variable differential adjustor

  • US 7,339,126 B1
  • Filed: 07/16/2007
  • Issued: 03/04/2008
  • Est. Priority Date: 04/18/2007
  • Status: Expired due to Fees
First Claim
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1. A variable differential adjustor for a fluid pressure-actuated switch, comprising:

  • a. a restrictor housing having a passage therethrough,b. a pressure source having a portion passing through said passage and connected to said pressure-actuated switch for directing fluid to and from said pressure-actuated switch,c. a restrictor for engaging said pressure source portion, said restrictor being adjustable to variably alter fluid flow through said pressure source portion, andd. a gauge located at least partially on said restrictor housing for determining adjustment of the fluid flow.

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