Electronically controlled throttle device

A motor driving type throttle apparatus, characterized in that a cover for covering one end of a throttle valve shaft is attached to a side wall of a throttle body having a throttle valve, and an electronic control module for controlling the throttle valve is attached to said cover, wherein said cover is integrally molded with connector portions for external connection of the electronic control module.

A motor driving type throttle apparatus, characterized in that a cover for covering one end of a throttle valve shaft is attached to a side wall of a throttle body having a throttle valve, and an electronic control module for controlling the throttle valve is attached to said cover,

• wherein a resin mold constituting said cover has a group of lead frames for connecting to terminals of a circuit board of said electronic control module, these lead frames are embedded into said cover with an aligning arrangement, and ends of said lead frames on one side are exposed at positions contiguous to one side of an electronic control module containing portion at an inner face of said cover, and ends on other side of said lead frames constitute connector pins in a connector case of the connector portions for external connection.

A motor driving type throttle apparatus for controlling an opening degree of a throttle valve by using an electric actuator,

• characterized in that a cover for covering one end side of the throttle valve shaft is attached to a side wall of a throttle body having said throttle valve,
• an inner face of said cover is formed with a containing portion of a throttle position sensor for detecting an opening degree of the throttle valve, a containing portion of the electronic control module and an intermediary connector portion for connecting to motor terminals of the electronic actuator,
• and an outer face of the cover is formed with a connector portion for external connection of said electronic control module.

A motor driving type throttle apparatus for controlling an opening degree of a throttle valve by suing an electric actuator,

• characterized in that a resin cover for covering one end side of a throttle valve shaft is attached to a side wall of a throttle body having the throttle valve, an electronic control module for controlling the throttle valve is attached with an inner face of the resin cover;
• and
• that said electronic control module comprises a circuit board for control, a plate formed by an excellent thermally conductive material holding the circuit board and a module cover formed by an excellent thermally conductive material for covering the circuit board above the plate, said plate and said module cover are brought into contact together via a thermally conductive member, and said module cover is brought into contact with the throttle body formed by an excellent thermally conductive material via a thermally conductive member.