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| Number | Title | Issue Date |
| 7358632 | Motor which performs a rotational-to-linear motion conversion A sliding hole is formed so that a screw portion can pass therethrough. Also, a seal member is provided at a portion, through which the screw portion placed in the sliding hole can pass and in which a sliding portion does not slide. ... | 04/15/2008 |
| 7314038 | Idle air control device in multiple throttle body To provide a plural openings control type idle air control device with a low cost by adding a few parts for controlling plural bypass air passages to a single openings control type idle air control device for opening and closing a single bypass air passage, a valve ... | 01/01/2008 |
| 7274122 | Motor which performs a rotational-to-linear motion conversion A sliding hole is formed so that a screw portion can pass therethrough. Also, a seal member is provided at a portion, through which the screw portion placed in the sliding hole can pass and in which a sliding portion does not slide. ... | 09/25/2007 |
| 7263969 | Idle air control apparatus in multiple throttle body To make easier designing of an idle control apparatus for a multiple throttle body inexpensively, first and second air control holes (5, 6) are open to an upper side wall (2a) of a valve body slidable hole (2) of a control apparatus main ... | 09/04/2007 |
| 7237528 | Throttle valve control device for leisure vehicle A multi-cylinder engine for driving a vehicle is provided. The multi-cylinder engine includes a plurality of cylinders. The engine also includes a multi-throttle valve device having a plurality of air-intake passages, each of which being configured to lead air to th... | 07/03/2007 |
| 7205690 | Motor for rotational-to-linear conversion with shaft seal A sliding hole is formed so that a screw portion can pass therethrough. Also, a seal member is provided at a portion, through which the screw portion placed in the sliding hole can pass and in which a sliding portion does not slide. ... | 04/17/2007 |
| 7196444 | Stepping motor for use in high-temperature environments There is provided a stepping motor comprising: a stator assembly; a rotor assembly rotatably disposed inside the stator assembly, and including a rotary shaft rotatably supported by bearings, a sleeve fixedly attached onto the rotary shaft, and at least one magnet d... | 03/27/2007 |
| 7191755 | Idle air control valve stepper motor initialization technique A system for controlling idle air flow for an engine. The system includes an idle air control valve, a stepper motor, and a controller. The idle air control valve has a first hard stop and a second hard stop. The stepper motor is coupled to the idle air control valv... | 03/20/2007 |
| 7165755 | Motor-operated valve A motor-operated valve comprising a valve stem having a valve plug; a valve body having a valve seat with which the valve plug is enabled to removably contact; a can fixed to the valve body; a rotor disposed coaxially in the can; a stator disposed around an outer ci... | 01/23/2007 |
| 7124736 | Idling opening degree control apparatus in intake air control apparatus To make a motor to control throttle valve opening degree compact and reduce electricity consumption, a throttle valve lever (4) attached to a throttle valve shaft (3) has a roller (4b) and an operating arm portion (4a), a lo... | 10/24/2006 |
| 7073484 | Internal combustion engine control apparatus An engine control apparatus includes: an operation state determining unit determining whether the engine is in the running or the idle-state from a various sensor's signal; an engine revolution speed detecting unit detecting the revolution speed of the engine from a... | 07/11/2006 |
| 7056165 | Control system for outboard motor The control system establishes an engine warm-up protocol based, at least in part, on elapsed time from engine start. The control system provides a reduced reliance on engine temperature as a basis for determining an appropriate engine idle speed. The control system... | 06/06/2006 |
| 6868828 | Idle speed control apparatus in throttle body An idle speed control apparatus which improves freedom of selection in an opening degree characteristic of a throttle valve is structured such that an intake passage of a throttle body is opened and closed by a throttle valve, a cam lever is attached to one end of a... | 03/22/2005 |
| 6647956 | Sound attenuating system for a marine engine A sound attenuator is provided for an idle air control valve system in order to reduce noise emanating from the idle air control valve. The sound attenuator comprises a fibrous pad that is inserted into an air conduit of the idle air control system. In a ... | 11/18/2003 |
| 5839410 | Idling control apparatus of internal control engine An idling control apparatus of an internal combustion engine which undergoes an after-start lean-burn control for operating the internal combustion engine at an air-fuel ratio on a lean side of a theoretical air-fuel ratio after the engine started. Accord... | 11/24/1998 |
| 5651343 | Idle speed controller A throttle body for use in the air intake system of an internal combustion engine having an idle speed control. The throttle body assembly (10) includes a throttle plate (18) mounted to a throttle shaft (16), which is, in turn, mounted to a throttle contr... | 07/29/1997 |
| 5520150 | Apparatus and method for driving and controlling a stepping motor An improvement to a controller of a step motor for a by-pass valve of an internal combustion engine is disclosed. After the engine is shut off, the valve is initialized to obtain accurate correspondence between the controller, the step motor, and the valv... | 05/28/1996 |
| 5170761 | Apparatus for controlling idling revolution speed of internal combustion engine An apparatus for controlling idling revolution speed of an internal combustion engine in which air at an upstream side of a throttle valve of an intake tube of the internal combustion engine is injected nearby a fuel injection valve from an injection port... | 12/15/1992 |
| 5063899 | Intake system for multi-cylinder internal combustion engine An intake system for a multi-cylinder internal combustion engine having an intake manifold that is made up of a common intake passage and separate intake passages that branch off from the common intake passage and connect to intake ports of the engine cyl... | 11/12/1991 |
| 5018495 | Automatic idle speed circuitry A throttle body includes a secondary passageway having an inlet communicating with a central passageway upstream of a throttle plate disposed in the central passageway. An outlet communicates with an intake manifold of the engine downstream of the throttl... | 05/28/1991 |
| 4873955 | Idle air flow shutoff valve The present invention is an idle fluid flow shutoff assembly including a throttle body having a longitudinal axis with a throttle plate disposed transversely to the longitudinal axis. The throttle body includes a secondary passageway having an inlet and a... | 10/17/1989 |
| 4823749 | Device for controlling the intake air in an internal combustion engine Device for controlling the intake air in an internal combustion engine. The control occurs via a throttle valve that is adjusted by a stepping motor and is directly secured on the shaft of the stepping motor thereof. The stepping motor is driven in fine s... | 04/25/1989 |
| 4569321 | Carburetor for internal combustion engines with electronically controlled elements capable of maintaining the idling speed of the engine at a constant level A carburetor is provided which has a main barrel in which there is a throttle which turns integrally with a shaft. An idle system opens into the main barrel through three holes; and a lever is splined to the shaft and connected to the accelerator to open ... | 02/11/1986 |
| 4488524 | Idling speed control for engines In or idling speed control system for engines, a bypass passage is branched off from a main intake passage located upstream of a throttle valve and is connected to the main intake passage located downstream of the throttle valve. A flow control valve, act... | 12/18/1984 |
| 4480614 | Idling speed control device of an internal combustion engine An idling speed control device of an internal combustion engine comprising a bypass passage which interconnects the intake passage located upstream of the throttle valve to the intake passage located downstream of the throttle valve. A flow control valve ... | 11/06/1984 |
| 4469064 | Apparatus for controlling internal combustion engine In an apparatus for controlling an internal combustion engine in which the quantity of air supplied to the engine is controlled to control the warming-up rotational speed of the engine, a first desired warming-up rotational speed characteritic relative to... | 09/04/1984 |
| 4453515 | Device for controlling the idling speed of an engine An engine comprising a main intake passage having a throttle valve therein. A bypass passage is branched off from the main intake passage located upstream of the throttle valve and is connected to the main intake passage located downstream of the throttle... | 06/12/1984 |
| 4440128 | Method and apparatus for controlling the idling rotational speed of an internal combustion engine The idle air flow is adjusted by a step motor depending upon a drive signal applied to the step motor, so as to control the idling rotational speed of the engine. When the engine is under a certain operating condition during cranking, in which condition t... | 04/03/1984 |
| 4418666 | Device for controlling the idling speed of an engine An engine comprising a main intake passage having a throttle valve therein. A bypass passage is branched off from the main intake passage located upstream of the throttle valve and is connected to the main intake passage located downstream of the throttle... | 12/06/1983 |
| 4417553 | Method and apparatus for controlling the idling speed of an engine wherein the amount of air provided to the engine is increased by a predetermined amount when the engine speed becomes equal to zero An engine has a main intake passage having a throttle valve therein. A bypass passage is branched off from the main intake passage located upstream of the throttle valve and is connected to the main intake passage located downstream of the throttle valve.... | 11/29/1983 |
| 4414942 | Idling speed control device of an internal combustion engine An idling speed control device of an internal combustion engine comprising a bypass passage which interconnects the intake passage located upstream of the throttle valve to a surge tank which is arranged in the bypass passage located downstream of the thr... | 11/15/1983 |
| 4412517 | Idling speed control device of an internal combustion engine An idling speed control device of an internal combustion engine comprising a bypass passage which interconnects the intake passage located upstream of the throttle valve to the intake passage located downstream of the throttle valve. A flow control valve ... | 11/01/1983 |
| 4397275 | Idling speed control device of an internal combustion engine An idling speed control device of an internal combustion engine comprising a bypass passage which interconnects the intake passage located upstream of the throttle valve to the intake passage located downstream of the throttle valve. A flow control valve ... | 08/09/1983 |
| 4392468 | Method and apparatus for controlling the idling speed of an engine An engine has a main intake passage in which a throttle valve is disposed. A bypass passage is branched off from the main intake passage upstream of the throttle valve and is connected to the main intake passage located downstream of the throttle valve. A... | 07/12/1983 |
| 4391244 | Device of controlling the idling speed of an engine An engine comprising a main intake passage having a throttle valve therein. A bypass passage is branched off from the main intake passage located upstream of the throttle valve and is connected to the main intake passage located downstream of the throttle... | 07/05/1983 |
| 4385602 | Rotational speed control device during idling of engine An idling rotational speed control device wherein, when an engine ignition switch is turned off, an air flow rate control device is driven to a fully closed position or a fully opened position, and the air flow rate control valve is controlled referenced ... | 05/31/1983 |
| 4381747 | Idling speed control device of an internal combustion engine An idling speed control device of an internal combustion engine having a bypass passage which interconnects the intake passage located upstream of the throttle valve to the intake passage located downstream of the throttle valve has a flow control valve d... | 05/03/1983 |
| 4378768 | Method of and apparatus for controlling the idling speed of an engine An engine includes a main intake passage having a throttle valve therein. A bypass passage branches off from the main intake passage upstream of the throttle valve and connects again to the main intake passage downstream of the throttle valve. A flow cont... | 04/05/1983 |
| 4378767 | Idling speed control device of an internal combustion engine An idling speed control device of an internal combustion engine comprising a bypass passage which interconnects the intake passage located upstream of the throttle valve to the intake passage located downstream of the throttle valve. A flow control valve ... | 04/05/1983 |
| 4364348 | Method and apparatus for controlling the idling speed of an engine An engine has a main intake passage having a throttle valve therein. A bypass passage is branched off from the main intake passage located upstream of the throttle valve and is connected to the main intake passage located downstream of the throttle valve.... | 12/21/1982 |
