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Gas powered engine with glow plug ignition

  • US 4,989,573 A
  • Filed: 07/10/1989
  • Issued: 02/05/1991
  • Est. Priority Date: 07/11/1988
  • Status: Expired due to Term
First Claim
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1. In a fuel supply circuit for a gas powered internal combustion engine comprising a source of pressurized gaseous fuel, conduit means for supplying fuel from said course to said engine, valve means for regulating the amount of fuel supplied to said engine for controlling the speed of said engine without throttling the air flow to said engine and means for deactivating said valve means for discontinuing the supply of fuel from said source to said engine when the speed of said engine falls below a predetermined value.

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