There is provided an engine control apparatus comprising: a vehicle speed detecting unit configured to detect own vehicle speed; an idle stop control unit configured to automatically stop an engine upon a stop condition being met, and restart the engine upon a restart conditions being met during or…
An engine with a throttle device includes a throttle valve (24) provided in an intake passage (31) of the engine. The engine includes a throttle shaft (27) that rotates integrally with a valve element (28) of the throttle valve (24), a spring member that biases the valve element (28) in a direction…
An engine rotational speed control device (4) includes a noise removal processing unit (6) which corrects a command value, wherein the noise removal processing unit (6) is configured to set a current first output value (B(i)) to be identical to a previous first output value (B(i-1)) in a case…
The invention relates to an electrical vehicle power unit (10) with an electronically commutated drive motor (40) which has a permanently excited motor rotor (16), a motor stator (18) and a motor housing (50), wherein during assembly of the drive motor (40) the leading shaft end (26) of the motor…
The present invention addresses a solution of improving precision with which requested torque at a time of a transient operation is realized in a control device for an internal combustion engine that controls torque that is generated by an internal combustion engine by control of an air amount by…
The drive assembly has drive element (12) and housing (10) having a fixed holder (18) and attached cover (22). The cover has an axially extending portion whose length is variable resiliently in the axial direction. The length-variable region is designed as corrugated pipe (50).
An air intake device offers simplified construction, reduced size, lowered cost, etc., while facilitating disposing of throttle body and driving part in intake air passage, allowing throttle body to be reliably held, and eliminating possible occurrence of intake air leakage, etc. , thus positively…
An intake air control device movable in response to an acceleration pedal for an internal combustion engine comprises a throttle body (1) having an intake conduit to the internal combustion engine; a throttle valve (2) having a shaft (3) rotatably held in the throttle body for opening and closing…
A butterfly valve (100) is provided according to the invention. The butterfly valve (100) includes a valve body (103) including a valve bore (109) passing through the valve body (103) and a shaft bore (112), a valve shaft (121) located in the shaft bore (112) and extending through the valve bore…
The internal combustion engine (1) has a throttle (23) for controlling an intake air amount and performs start-up through cranking. As the cranking is initiated, an atmospheric pressure is detected and an initial opening is set accordingly. The controller (31) controls the throttle (23) to the…
An engine control method comprising the steps of: detecting an actual value of oxygen concentration in exhaust gas (S101); detecting an actual value of a mixture gas flow rate and an actual value of a fuel control valve aperture (S101); detecting an actual value of a theoretical air-fuel ratio…
An object of the present invention is to provide an electronically controlled throttle device, in which a DC motor (3) can be downsized and made less expensive, as well as enhancing reliability and reducing a radiant noise. A cover (40) mounted on a throttle body is provided with a intermediate…
It is intended to provide an air-fuel ratio control device for a carburetor, which is capable of variably inject fuel by opening and closing a choke valve in accordance with an opening degree of a throttle valve and the load and which is capable of achieving low cost, clean emission and fuel saving…
It is intended to provide a device for lowering a cost of the throttle body of the carburetor that can be used for both the mechanical governor control device and the electronic governor control device. A bracket 5 on which a stepper motor 7 which opens and closes a throttle valve 6 of a carburetor…
An object of the present invention is to provide an electronically controlled throttle device, in which a DC motor (3) can be downsized and made less expensive, as well as enhancing reliability and reducing a radiant noise. A cover (40) mounted on a throttle body is provided with a intermediate…
A valve (1) for regulating the flow of a gas in an internal combustion engine; the valve (1) has: a valve body (2); a tubular supply conduit (4) defined in the valve body (2) for the flow of the gas; a shutter (5) arranged inside the supply conduit (4); an actuator (3) which moves the shutter (5)…
The present invention has an object to obtain an accurate amount of intake air at the time of an operation of an EGR mechanism in a control system of an internal combustion engine which is provided with a first fuel injection valve for injecting fuel into a cylinder, a second fuel injection valve…
A control device for an internal combustion engine is provided, which can prevent occurrence of torque shock accompanying cancellation of fuel cut in an internal combustion engine in which a throttle can be operated during implementation of the fuel cut. The control device includes means which…
An electric actuator for a valve (1) of an internal combustion thermal engine, the electric actuator is provided with: an electric motor (3) having a cylindrical shape; a tubular housing (9) in which the electric motor (3) is placed; a closing plate (10), which is fixed at an opening of the tubular…
Dividing unit has grid made of metal strips, connection contact (1b,1b') and connections. Connection is joined with choke (4) which is connected with engine connecting lug (7) and connection is joined with choke (5) which is connected with engine connection lug (6) by which grid is connected…
A control unit for detecting an opening of an accelerator (14) and an opening of the throttle valve (3) to operate the throttle valve (3) via a motor (4), sets a commanded value of an opening of the throttle valve (3) at each of first predetermined cycles. A first opening/closing velocity is set in…
The invention provides a throttle device for an internal combustion engine comprising an electric drive actuator (5) for opening and closing a throttle valve (2) based on a signal controlling an intake air flow rate of the internal combustion engine, wherein a gap between a throttle valve shaft (3)…
A displacement detector is provided, which can compensate a change in temperature coefficient of impedance of a coil to a displacement of a core. The detector comprises a constant-current supply unit for outputting a constant current including an alternating current, a coil portion, to which the…
An electric parts attaching structure for a throttle body includes: a throttle body (12) having an intake passage (16) in which a throttle valve (24) is arranged, and a housing (20) for accommodating electric parts formed on the outside thereof; an intake passage information detection sensor (43)…
The present invention provides a sensor installation structure which remarkably facilitates installation of a plurality of sensors disposed on the inlet pipe side of an engine and enables each of the sensors to be positioned in an accurate measuring position. The sensor module unit is integrally…
An electronically controlled throttle control apparatus prevents a throttle valve (3) from malfunctioning due to deterioration in sliding resistance ascribable to abrasive dust at a sliding contact portion between a valve gear (9) of a geared reduction device and a coil spring (6). The outer…
According to the present apparatus, there are provided throttle valves 20 that are disposed in intake passages, a throttle shaft 30 that supports the throttle valves 20 to be opened/closed, drive means 40 that rotatably drives the throttle shaft 30, and a torsion type return spring 50 that deforms…
Integrated supply unit for internal combustion engines, of the type in which the throttle unit (1) of the adjusted fuel supply to the engine comprises, steadily associated therewith, an electronic unit (6) controlling the various functions connected with the starting and the running of the engine…
According to the present apparatus, on multi-throttle apparatus provided with multiple throttle valves 20 that are respectively disposed in multiple intake passages 11, a throttle shaft 30 that simultaneously opens/closes the throttle valves 20, drive means 50 that drives the throttle shaft 30, and…
The present apparatus comprises a plurality of throttle valves 30 respectively disposed at each air intake passage 21 corresponding to each cylinder of an engine, a plurality of throttle shafts 41, 42 to support the plurality of throttle valves 30 for each group, and a plurality of drive means 60…