Patents Represented by Attorney, Agent or Law Firm Obln, Spivak, McClelland, Maier & Neustadt, P.C.
  • Patent number: 6666014
    Abstract: A fuel injection system in a turbomachine, the system comprising a high pressure pump for pressurizing the fuel coming from a fuel tank to a high pressure P1, a plurality of fuel injectors disposed in a combustion chamber of the turbomachine, and a metering unit interposed between said high pressure pump and said plurality of injectors to control the rate at which fuel flows into the injectors from the high pressure pump, wherein said metering unit comprises a pressurization valve piloted to occupy two pressure levels by means of a metering valve fed with fuel from said high pressure pump. A solenoid stop valve for acting on the pressurization valve is also provided to interrupt the feed of fuel to the injectors.
    Type: Grant
    Filed: December 10, 2001
    Date of Patent: December 23, 2003
    Assignee: SNECMA Moteurs
    Inventors: Claude Maillard, David Maillard, Alain Garassino