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Class 123/360 - Circuit controls a fluid throttle operator (e.g., vacuum)


Subclass of Class 123 - Internal-combustion engines
Definition: Subject matter in which the output of the circuit is used
No. of patents: 99
Last issue date: 08/10/2010


1      
NumberTitleIssue Date
7770559Diaphragm carburettor with electromagnetic actuator
A diaphragm carburettor comprises a diaphragm dosager (2) provided with a diaphragm (3) that separates a first chamber at constant pressure (4) from a second fuel dosaging chamber (5) intercepted by a valve controlled by the diaphragm, sa...
08/10/2010
7357120Marine vessel running controlling apparatus, and marine vessel including the same
A marine vessel running controlling apparatus is applicable to a marine vessel which includes a propulsive force generating unit having an engine with an electric throttle. The apparatus includes a target characteristic storage unit which stores a target characteris...
04/15/2008
7284535Motor driving type throttle apparatus
An throttle valve is controlled by using an electric actuator. A cover for covering one end side of the throttle valve shaft is attached to a side wall of a throttle body. A throttle position sensor unit and an electronic control module for controlling the throttle ...
10/23/2007
7185629Motor driving type throttle apparatus
An throttle valve is controlled by using an electric actuator. A cover for covering one end side of the throttle valve shaft is attached to a side wall of a throttle body. a throttle position sensor unit and an electronic control module for controlling the throttle ...
03/06/2007
6830032Control system for throttle valve actuating device
A control system for a throttle valve actuating device is disclosed. The throttle valve actuating device includes a throttle valve of an internal combustion engine and an actuator for actuating the throttle valve. A control object model is defined by modeling the th...
12/14/2004
6763582Throttle valve unit with drive unit receptacle and drive unit contact
A throttle device in the intake section of an internal combustion engine; the throttle device including a housing part, which contains a flow cross section for an air flow. In the housing part, bearing points are provided for a throttle valve device, which can be ac...
07/20/2004
6367448Engine control
An induction control system for an internal combustion engine and an operator for controlling the control valve. The system operates so as to move the control valve between an unrestricted flow position and another position wherein the flow velocity or di...
04/09/2002
6003402Preassembled throttle valve control cable
A remote control assembly for rotating a throttle-valve shaft (18) rotatably mounted in a carburetor (14) including a control housing (22) having threaded fasteners for attaching the control housing (22) to a carburetor (14). A throttle conduit (28) is co...
12/21/1999
5855196Adjustable automatic starting line throttle actuation controller
An apparatus for automatically controlling the activation of the throttle on a carburetor on the engine of a drag race car before the start of the race while staging the car. The apparatus eliminates some of the tasks a driver must perform during the proc...
01/05/1999
5507361Control system for influencing the speed of a motor vehicle
A control system for influencing the speed of a motor vehicle. The invention is characterized in that the retarder controller and the pertaining servomechanism already available in a vehicle with an installed retarder is in traction operation additionally...
04/16/1996
5411452Running control apparatus for motor vehicle
A running control apparatus for an automobile prevents an abnormal running state by depressing a brake pedal even when a fault takes place in the component(s) of the control apparatus. When a detected brake pedal depression stroke exceeds a predetermined ...
05/02/1995
5197563Constant-speed cruising control system for vehicles
A constant-speed cruising control system for vehicles comprises a car-speed sensor, a command switch group, a car-speed memory, an actuator for driving a throttle, and a control mechanism which has a cruising control function, a resuming control function ...
03/30/1993
5113822Throttle valve control apparatus for an internal combustion engine
A throttle valve control apparatus for an internal combustion engine, which is high in driving safety, enabling the vehicle to cruise in an automatic manner while preventing a run-away condition of the vehicle includes a throttle valve in an intake pipe o...
05/19/1992
5033570Fixed operating speed control device
A fixed speed control device including a predetermined vehicle operating speed controller, a release time limit set-up system, a release switch system, and a memory system, which are all electronically connected to an electronic control circuit. The fixed...
07/23/1991
5020623Traction control system
A traction control system includes a control rod connected to a throttle lever and being slidable with respect to a housing to which an accelerator pedal is connected. The control rod is movable in response to a driving wheel acceleration slip signal so a...
06/04/1991
5014667Electro-hydraulic control system for governors
The governor of the invention consists of an output solenoid having a plunger operatively connected to the mechanism to be controlled. The output solenoid is a "bang-bang" type such that full power or no power is delivered to the solenoid even for small e...
05/14/1991
4977878Carburetor idler assist system
A device for interacting with a throttle of a carburetor to produce a second, constant idle speed having a ram arm with a first end engaging the throttle when the ram arm is in a forward position; a vacuum-operable diaphragm attached to the ram arm for mo...
12/18/1990
4970873Engine starting device for multiple engine-driven air conditioner
The invention relates to a speed control system for a multiple engine air conditioning system in which two or more engines are used to drive respective compressors for operation of two or more heat pump circuits. According to the invention, the engine spe...
11/20/1990
4947950Vehicle speed control device
A vehicle speed control device in a vehicle having a variable speed engine and drive train arrangement connecting the engine to a drive wheel therefore includes a foot pedal movable in first and second directions, a vehicle speed transducer arrangement fo...
08/14/1990
4944267Electropneumatic displacement device for a throttle valve of an internal combustion engine
A displacement device for a throttle valve of an internal combustion engine in idling condition, has a housing, a diaphragm which is arranged in a chamber in the housing and is operatively connected to the throttle valve, a spring in the chamber, which sp...
07/31/1990
4934476Vehicle speed control system
A vehicle speed control system compares current vehicle speed against a target vehicle speed and automatically controls the position of the throttle valve of an engine in accordance with the difference therebetween for reducing the difference. A plurality...
06/19/1990
4878470Device for actuating butterfly throttle valve of an internal combustion engine
A device for actuating a butterfly throttle valve of an internal combustion engine includes a hydraulic setting member for rotating a shaft of the throttle valve. The hydraulic setting member is driven by a branch flow of fuel delivered by a fuel pump and...
11/07/1989
4864992Pneumatic constant-velocity running apparatus
A pneumatic constant-velocity running apparatus employing a diaphragm type actuator in which a portion or the whole of a control circuit for the actuator is made of a hybrid IC and the hybrid IC portion with a protector is fixedly mounted onto the outer s...
09/12/1989
4829960Engine idle control system for internal combustion engine
In order to ensure that idling control is assuredly provided when the engine is subject to cold starts and the like, a solenoid which controls the modulation of a pressure signal via which a vacuum operated servo unit is controlled, is arranged to be fed ...
05/16/1989
4825831Throttle actuator in automatic shift mechanism of geared transmissions
A throttle actuator in an automatic shift mechanism of a geared transmission for shifting to overdrive automatically includes first and second displacement members capable of being displaced relative to each other, the first displacement member being conn...
05/02/1989
4798258Throttle control assembly for a vehicle speed control unit
An ajustable throttle connector for a vehicle speed control unit is disclosed. The adjustable throttle connector includes a throttle connector arm which is pivotally connected in an adjustable manner to a housing for the vehicle speed control unit. The ad...
01/17/1989
4790403Output condition monitor apparatus for a velocity sustaining device
A vacuum actuator for actuating the throttle valve of a vehicle is driven by a surge tank via three valves which are actuated by their respective solenoids. These solenoids are energized by their respective driver circuits. The input signal applied to eac...
12/13/1988
4774920Idling speed control system for internal combustion engines
An idling speed control system for controlling idling rotational speed of an internal combustion engine. A vacuum-operated actuator having a diaphragm defining a vacuum chamber controls opening and closing of a throttle valve in response to pressures supp...
10/04/1988
4766971Constant-speed running control device
A constant-speed running control device is provided, which comprises car speed detecting means for detecting the current car speed of a vehicle, memory means for storing a given car speed, an actuator for controlling a throttle valve, setting means for ca...
08/30/1988
4754831Constant speed running apparatus
A constant speed running apparatus has a surge tank for storing a vacuum for driving a vacuum actuator, a vacuum switch for judging the amount of vacuum stored in the surge tank, and a vacuum pump activated when the amount of vacuum stored in the tank dec...
07/05/1988
4753202Idling speed control system for internal combustion engines
An idling speed control system for controlling idling rotational speed of an internal combustion engine. A vacuum-operated actuator having a diaphragm defining a vacuum chamber controls opening and closing of a throttle valve in response to pressures supp...
06/28/1988
4738237Idling control for an otto engine
An idling control for an Otto engine comprises a throttle valve positioned in a suction pipe of an engine intake manifold; a pneumatic cylinder unit operably engaged with said throttle valve by means of a positioning leg; a three-way flow control valve in...
04/19/1988
4736720Idling speed control system for internal combustion engines
An idling speed control system for controlling idling rotational speed of an internal combustion engine. A vacuum-operated actuator having a diaphragm defining a vacuum chamber controls opening and closing of a throttle valve in response to first and seco...
04/12/1988
4693220Idling speed control system for internal combustion engines
A vacuum-operated actuator controls opening and closing of a throttle valve in an intake passage of an internal combustion engine in response to pressure in a vacuum chamber thereof. A change-over control valve supplies the vacuum chamber, selectively, wi...
09/15/1987
4629027Automatic speed controller for use of a vehicle
An automatic speed controller for use of a vehicle. The automatic speed controller maintains the actual vehicle speed into a preset vehicle apeed. The controller has a vacuum type actuator which is operated by a diaphragm. The diaphragm is actuated buy co...
12/16/1986
4611561Automatic speed control system for motorcycles
An automatic speed control mechanism for motorcycles or the like having a wire operating mechanism for positively connecting the accelerator grip to the throttle control of the engine. The automatic speed control includes a vacuum operated motor that is c...
09/16/1986
4610230Throttle control apparatus
A throttle control apparatus for an internal combustion engine for a motor cycle, comprising a manually operated rotatable throttle actuating grip member, a first linkage cable for providing driving connection selectively in one of two opposite directions...
09/09/1986
4590909Vehicle speed control
A position control device for use in association with a foot pedal member controlling the fuel flow to an engine of a vehicle. The device includes an elongated and hollow chamber means and an actuator piston slidably disposed in the chamber means and mova...
05/27/1986
4587937Automatic speed control system for motorcycles
An automatic speed control mechanism for a motorcycle embodying an actuator device for automatically positioning the throttle of the engine. The automatic device is able to generate sufficient force so as to overcome the normal closing bias of the throttl...
05/13/1986
4580537Automatic speed control system for motorcycles
Two embodiments of automatic speed control devices for motorcycles that permits release of the device from automatic mode in response to throttle closing movement of the accelerator grip. In one embodiment, the release is effective by permitting a protect...
04/08/1986
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