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Pump Assembly and Method for Leak Detection of Fluid System

  • US 20090007638A1
  • Filed: 07/05/2007
  • Published: 01/08/2009
  • Est. Priority Date: 07/05/2007
  • Status: Active Grant
First Claim
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1. A method of detecting a leak in a fluid system, the fluid system including a switch that changes state according to pressure in the fluid system, the method comprising:

  • changing pressure in the fluid system with a pump assembly, the pump assembly including a predetermined leak that is in fluid communication with the fluid system and which causes the switch to change state after a predetermined time period; and

    detecting a leak in the fluid system if the switch changes state within an amount of time less than the predetermined time period.

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