About 40 results
https://drivepatents.com/patents/1071789 · 14 Dec 2005
The method involves injecting compressed air in a fuel supply circuit of a fuel injector (7), when a turbine engine (1) is stopped and fuel supply to fuel injection heads of the injector is stopped. The compressed air is injected directly and uniquely in e...
https://drivepatents.com/patents/1075552 · 27 Jul 2005
A fuel supply system for a gas turbine engine including first and second positive displacement pumps (11, 12) operated simultaneously to supply fuel under pressure from a low pressure source (13), and a combining spill valve (16) controlling the output flo...
https://drivepatents.com/patents/1096345 · 2 May 2003
The present invention provides a reliable regulating device that permits liquids, such as fuel oils, to be drained into the enclosure 18 while preventing the flow of gases into the enclosure 18. The device includes a valve housing 34 having a chamber 35 fo...
https://drivepatents.com/patents/1100127 · 27 Nov 2002
The fuel doser, comprising an outer cylinder (22) with an inlet (220) and two outlets (222, 224) through which fuel is injected into a combustion chamber, an inner distribution cylinder (24) moved by a control member and dosing piston (26) with an annular ...
https://drivepatents.com/patents/1103099 · 17 Jul 2002
A fluid flow control valve (60) comprises a valve seat (62) and a valve stem (64) which is movable towards or away from the valve seat (62) to control the fluid flow through the valve (60). A magnetostrictive element (66) is arranged to move the valve stem...
https://drivepatents.com/patents/1105525 · 3 Apr 2002
Drainage is enhanced in an orifice (26) formed inside the internal passage (28) of a pneumatic line (22) by providing the orifice (26) with first and second portions. The first portion (30) defines a diameter that is smaller than the diameter of the intern...
https://drivepatents.com/patents/1106252 · 6 Mar 2002
A liquid fuel purge (104) system is disclosed for flushing liquid fuel from the combustion chambers (118) of a gas turbine (100). The liquid purge system includes a three-way valve (400) to pass liquid fuel and, alternatively, purge air to the combustion c...
https://drivepatents.com/patents/1108534 · 14 Nov 2001
An apparatus for determining the status of a shut-off valve arrangement (28) forming part of a fuelling system of an engine comprises a metering valve arrangement (24) comprising a metering valve member (32) for regulating fuel flow from a pump (16) formin...
https://drivepatents.com/patents/1109625 · 10 Oct 2001
A spool (30) moves in a compartment (11) based on the forces exerted on the spool by a spring and the fuel pressure applied to the top (12) and bottom (14) chambers and the upper (15) and lower (16) intermediate half chambers, causing a shoulder (33) to va...
https://drivepatents.com/patents/1109446 · 10 Oct 2001
A bypass valve (22) and vent valve (24) are connected in parallel with the normal flow path between a low-pressure fuel pump (12) and a high-pressure fuel pump (16). When a low fuel inlet pressure is detected the bypass valve (22) and vent valve (24) are o...