Matsushita Electric Works, Ltd.

Yanmar Deisel Engine Co., Ltd.

Takashi Furuta

Hiroyuki Nishimura

Tsuyoshi Kadono

Hajime Takeda

Akira Uesaka

Yoshihiro Natsume

Touru Nakazono

Hirofumi Ishizaki

A antenna and tuner combination for receiving microwaves from a broadcasting satellite includes a stand plate to be placed on a supporting surface and a planar antenna module connected by a hinge assembly to the stand plate so that the antenna module is movable between a folded position upon the stand plate and an extended position extending from the stand plate. An adjustor is included to adjust the antenna module to a desired angular disposition with respect to a plane of the stand plate and holding it at the desired angular disposition for keeping it oriented to the broadcasting satellite. A tuner is detachably mounted on the stand plate with its input terminal connected to a corresponding output terminal of the antenna module.

Antenna and tuner combination

A gas engine of a pre-chamber type in which a pre-chamber is arranged in communication to a main combustion chamber, an intake passage is arranged to supply lean mixture to the main chamber, a gas pipe is provided to form rich mixture by fuel gas in the pre-chamber, and a spark plug adapted to ignite the rich mixture in the pre-chamber prior to the combustion of lean mixture in the main combustion chamber, is characterized in that an area of a section of the pre-chamber gradually decreases toward the main combustion chamber.

Gas engine

Growing community of inventors

Osaka, Japan

Takashi Furuta