A valve apparatus is provided with a case 11 receiving a valve 12, and a body 2 forming fluid passages 24, 25, 26, and 27, as independent constituting elements, the case 11 is received in a case receiving portion 23 of the body 2, and a ceiling portion 11a...

An engagement structure, provided between a throttle body (1) and a pipe, includes a protrusion and a recess. The detachment of the throttle body and pipe from each other is resisted when the protrusion and recess are engaged with each other. The pipe form...

The butterfly valve for the throttle of the Otto engine is mounted in bearings (24) in a specially-shaped region (16) of the induction tract (14). An electric motor (12) may move the throttle valve, and is mounted on one side of the housing (10). A hose (3...

The invention relates to an air flow meter which can decrease the error due to the backflow. Throttle valve (17) which opens and shuts the air intake passage (19) is installed in the air intake passage (19) of the internal combustion engine (1). The first ...

In an air intake device, a throttle body (3) is sandwiched between an air cleaner case (63) and an intake manifold (7) which are connected in direct contact with each other. A gasket (9) for preventing an air leakage is provided between the air cleaner cas...

The socket (10) has a tubular socket part (16) with an outer jacket (16A) of metal, which is at least partially and radially enclosed by a plastic housing (12). The housing contains an adjusting drive (30) for the throttle flap shaft (22). The housing also...