Power plants – Combustion products used as motive fluid – Process
Reexamination Certificate
2005-05-17
2005-05-17
Gartenberg, Ehud (Department: 3746)
Power plants
Combustion products used as motive fluid
Process
C060S039230
Reexamination Certificate
active
06892543
ABSTRACT:
A gas turbine combustor that controls flow rate of air flowing into a primary combustion zone for controlling a local fuel-air ratio comprises no sliding portion that is liable to cause sticking or biting of components operating in high temperature, thereby providing a simple, reliable and efficient combustor and a combustion control method thereof. The gas turbine combustor comprising a liner provided in a combustor case and a bypass duct provided in the liner and enabling a control of flow rate of air supplied into a primary combustion zone via a swirler by causing a portion of the air to pass through the bypass duct, further comprises a float, made of a magnetic substance, provided in the bypass duct so as to open and close the bypass duct by the position of movement of the float and an electromagnetic coil provided outside of the combustor case corresponding to the position of the float so as to move the float.
REFERENCES:
patent: 3899881 (1975-08-01), Arvin et al.
patent: 3958413 (1976-05-01), Cornelius et al.
patent: 6199364 (2001-03-01), Kendall et al.
patent: 6449956 (2002-09-01), Kolman et al.
patent: 61-282682 (1986-12-01), None
Gartenberg Ehud
Mitsubishi Heavy Industries Ltd.
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