Invention Grant
- Patent Title: Method of starting gas delivery from a liquefied gas fuel system to a gas operated engine and a liquefied gas fuel system for a gas operated engine
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Application No.: US14651520Application Date: 2012-12-14
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Publication No.: US09863370B2Publication Date: 2018-01-09
- Inventor: Mathias Jansson , Soren Karlsson
- Applicant: WARSTILA FINLAND OY
- Applicant Address: FI Vaasa
- Assignee: WÄRTSILÄ FINLAND OY
- Current Assignee: WÄRTSILÄ FINLAND OY
- Current Assignee Address: FI Vaasa
- Agency: Heslin Rothenberg Farley & Mesiti P.C.
- Agent Victor A. Cardona, Esq.
- International Application: PCT/FI2012/051245 WO 20121214
- International Announcement: WO2014/091061 WO 20140619
- Main IPC: F02M21/02
- IPC: F02M21/02 ; F17C5/02 ; F17C5/06 ; F17C6/00 ; F17C9/00 ; F17C13/02 ; F01N5/02 ; F02M21/06
Abstract:
A method for starting gas delivery from a liquefied gas fuel system includes a fuel tank filled with liquefied gas by a filling procedure and the filling procedure resulting in the pressure in the tank being at least at an operational pressure required by the engine. The method pressure in the tank is controlled by controlling the operation of a pressure build up system including the pressure build up evaporator which is arranged in a conduit leading from the bottom section of the tank to the upper section of the tank. The pressure build up system is controlled by controlling the flow rate of the evaporated gas in the conduit while the heat transfer medium is allowed to flow unconstrained through the pressure build up evaporator.
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