Engine Unit and Vehicle Including The Same
First Claim
1. An engine unit including a V-type engine provided with a front cylinder, a rear cylinder, a front intake port connected to the front cylinder, and a rear intake port connected to the rear cylinder;
- and a throttle body assembly attached to the V-type engine, the throttle body assembly comprising;
a front throttle body having a front cylinder connected to the front intake port and a front throttle valve for opening and closing the front cylinder;
a rear throttle body having a rear cylinder connected to the rear intake port and a rear throttle valve for opening and closing the rear cylinder;
an actuator that, in a longitudinal direction, is disposed between a center axis of the front cylinder and a center axis of the rear cylinder, and drives the front and rear throttle valves;
a transmission gear mechanism that transmits power from the actuator to the front and rear throttle valves; and
a casing that houses the actuator and the transmission gear mechanism and the casing includes;
a first casing portion that is fixed to the front and rear throttle bodies; and
a second casing portion that faces the first casing portion in a widthwise direction and is fixed to at least one of the front and rear throttle bodies.
1 Assignment
0 Petitions
Accused Products
Abstract
An engine unit that has a throttle valve driving actuator securely fixed thereto, and in which the vibration caused on the actuator is small. The engine unit includes a V-type engine and a throttle body assembly. The throttle body assembly has first and second front and rear throttle bodies, an actuator, a transmission gear mechanism, and a casing that houses the actuator and the transmission gear mechanism. The casing has a first casing portion that is fixed to the first front and rear throttle bodies, and a second casing portion that faces the first casing portion in a width direction and is fixed to at least one of the second front and rear throttle bodies.
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Citations
11 Claims
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1. An engine unit including a V-type engine provided with a front cylinder, a rear cylinder, a front intake port connected to the front cylinder, and a rear intake port connected to the rear cylinder;
- and a throttle body assembly attached to the V-type engine, the throttle body assembly comprising;
a front throttle body having a front cylinder connected to the front intake port and a front throttle valve for opening and closing the front cylinder; a rear throttle body having a rear cylinder connected to the rear intake port and a rear throttle valve for opening and closing the rear cylinder; an actuator that, in a longitudinal direction, is disposed between a center axis of the front cylinder and a center axis of the rear cylinder, and drives the front and rear throttle valves; a transmission gear mechanism that transmits power from the actuator to the front and rear throttle valves; and a casing that houses the actuator and the transmission gear mechanism and the casing includes; a first casing portion that is fixed to the front and rear throttle bodies; and a second casing portion that faces the first casing portion in a widthwise direction and is fixed to at least one of the front and rear throttle bodies. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
- and a throttle body assembly attached to the V-type engine, the throttle body assembly comprising;
Specification