Honda Motor Co., Ltd.

Masayuki Fukuhara

Takashi Suzuki

Takashi Hashizume

Katsuya Tajima

Masaki Ando

Eiichi Utsugi

Hitoshi Abe

Koichi Sakurai

In an automotive carburetor, the time delay in the response of the engine to the change in the cross sectional area of the air passage is minimized, and a high level of freedom in selecting the communication cross section area of the air passage and the air fuel ratio for the given load of the engine. The carburetor () comprises a fuel passage () including a fuel nozzle () for supplying fuel to the intake passage, a first air passage () communicating with the fuel passage to supply air to the fuel passage, a variable communication unit () provided in a part of the first air passage and moveable between an open position for communicating the first air passage and a closed position for shutting off the first air passage and a switch mechanism () for moving the variable communication unit between the open position and the closed position in dependence on a load of the engine.

Carburetor for internal combustion engine

In an apparatus for detecting fuel shortage of a general-purpose internal combustion engine connectable to an operating machine to be used as a prime mover of the machine, the engine being supplied with fuel stored in a tank and having an actuator adapted to open and close a throttle valve installed in an air intake pipe so as to achieve a desired engine speed set by an operator, comprising a fuel shortage condition detector adapted to detect whether the engine is in a fuel shortage condition, and an engine stopper adapted to stop the engine when the engine is detected to be in the fuel shortage condition. With this, it becomes possible to detect whether the engine having the electronic governor is in the fuel shortage condition, thereby preventing occurrence of trouble such as afterburning.

Fuel shortage detecting apparatus for general-purpose engine

Growing community of inventors

Wako, Japan

Masayuki Fukuhara