US 7,612,460 B2
Engine-driven power generator
Kenji Kamimura, Saitama (Japan); and Ryuji Sakurai, Saitama (Japan)
Assigned to Honda Motor Co., Ltd., Tokyo (Japan)
Filed on May 31, 2007, as Appl. No. 11/806,329.
Claims priority of application No. 2006-151534 (JP), filed on May 31, 2006.
Prior Publication US 2007/0278801 A1, Dec. 06, 2007
Int. Cl. H02P 9/04 (2006.01); F02B 63/04 (2006.01); F03G 7/08 (2006.01); H02K 7/18 (2006.01)
U.S. Cl. 290—40C  [290/1 R; 123/357] 6 Claims
OG exemplary drawing
 
1. An engine-driven power generator configured by an engine and a synchronous power generator driven by the engine; the engine-driven power generator comprising:
an electronic governor for controlling the revolution of the engine to a target value, the electronic governor including operation modes of a normal operation mode of maintaining the engine revolution substantially constant irrespective of the fluctuation in the load of the power generator, and an economic operation mode of increasing or decreasing the engine revolution within a predetermined allowable range according to the fluctuation in the load of the power generator; and
switching means for selecting one of either the normal operation mode or the economic operation mode.