F - Mech Eng,Light,Heat,Weapons – 23 – R
Patent
F - Mech Eng,Light,Heat,Weapons
23
R
F23R 3/26 (2006.01) F02C 7/057 (2006.01) F02C 9/18 (2006.01)
Patent
CA 2458304
Gas turbine combustor by-pass valve device for opening and closing by-pass valve is improved to control uniformly air supply into combustion area for appropriate combustion. Drive shaft 21 for opening and closing driven by-pass valve 20 is provided in turbine casing 010 where outside obstruction is located to interfere with projecting drive shaft 09. The driven shaft 21 is made in short length to be provided in the turbine casing 010. Adjacent main driving shaft 23 for opening and closing main driving by-pass valve 22 is provided adjacently to the driven shaft 21. Link mechanism 26 is provided between the adjacent main driving shaft 23 and the driven shaft 21, thereby rotary movement of adjacent main driving shaft 23 driven by outside drive means via the drive shaft 09 is transmitted to the driven shaft 21 and thus to the driven by-pass valve 20. Thus, partial drive shafts 09 are made shorter not to project outside of the turbine casing 010 to interfere with outside obstruction and still all the by-pass valves 08 provided along circumferential direction of the turbine casing 010 can be operated to be opened and closed uniformly.
Akagi Koichi
Iwasaki Yoichi
Kubota Jun
Ojiro Yasuhiro
Umemura Sunao
Mitsubishi Heavy Industries Ltd.
Riches Mckenzie & Herbert Llp
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