Title:
FUEL SUPPLY DEVICE FOR ENGINE, AND PORTABLE WORKING MACHINE
Document Type and Number:
WIPO Patent Application WO/2014/002957
Kind Code:
A1
Abstract:
The present invention is configured from: a fuel tank (98); a carburetor (60) provided with a diaphragm pump which drives by receiving the pressure fluctuation that occurs within a crank case (16); an electric motor (40) connected to a crank shaft (12); and a start-up fuel supply device which creates a pressure fluctuation within the crank case (16) by alternately rotating the crank shaft (12) in the normal rotational direction and the reverse rotational direction by means of the electric motor (40) when the engine is start up and which supplies the fuel stored in the fuel tank (98) to the engine (10) via the carburetor (60). As a consequence, the present invention provides a fuel supply device for an engine wherein it is possible to adequately supply fuel used in starting an engine provided with a diaphragm pump-type carburetor to the engine without causing variations.
Inventors:
KAWASHIMA HIDEO (JP)
Application Number:
PCT/JP2013/067264
Publication Date:
January 03, 2014
Filing Date:
June 24, 2013
Export Citation:
Assignee:
MAKITA CORP (JP)
International Classes:
F02M17/04; F02B25/14; F02B63/02; F02M1/06; F02M1/16; F02N11/00; F02N11/08
Foreign References:
| JPH02211364A | 1990-08-22 | |||
| JP2008019828A | 2008-01-31 | |||
| JP2005155392A | 2005-06-16 |
Attorney, Agent or Firm:
SASAJIMA, Fujio et al. (JP)
Sasajima Wealth 2 male (JP)
Sasajima Wealth 2 male (JP)
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