Class / Patent application number | Description | Number of patent applications / Date published |
123336000 | Having plural throttle valve structure | 24 |
20080216794 | Throttle assembly for intake air and V-type engine therewith - A throttle assembly for intake air protects a link mechanism for interlocking throttles with each other from water and mud and maintains the throttle operability in a satisfactory state. The throttle assembly for intake air includes a plurality of throttle devices for injecting fuel into intake air to generate an air-fuel mixture; a power transmission mechanism for interlocking the driving portions of the throttle devices with each other, a power transmission mechanism housing chamber defined by an outer wall member for forming a power transmission mechanism housing chamber and housing the power transmission mechanism, and seal means provided to the connected or mated portions of the outer wall member and a different member or the connected or mated portions of a plurality of outer wall configuring members which configure the outer wall member. | 09-11-2008 |
20080230034 | HIGH FLOW DUAL THROTTLE BODY FOR SMALL DISPLACEMENT ENGINES - A throttle body for an internal combustion engine of an automobile includes a housing defining a plurality of spaced apart, separated intake passages, a plurality of throttle valves, a plurality of throttle shafts and a drive mechanism. The plurality of throttle valves is rotatably disposed in the plurality of intake passages. Each throttle shaft is adapted to support one of the plurality of throttle valves. A drive mechanism is operably connected to the plurality of throttle shafts to rotate the plurality of throttle valves. The drive mechanism includes a single motor and a gear arrangement. The gear arrangement is configured to drive at least two throttle shafts of the plurality of throttle shafts at varying speeds. The gear arrangement selectively and sequentially opens at least two throttle valves of the plurality of throttle valves at varying rates. | 09-25-2008 |
20090031986 | Intake Control Device For Vehicle Engine - An intake control device for a vehicle engine includes: a throttle body; a main throttle valve configured to be opened or closed in response to an operation applied to a throttle grip, the main throttle valve being rotatably supported by the throttle body; a sub-throttle valve configured to be opened or closed under control of an actuator, the sub-throttle valve being rotatably supported by the throttle body; an intake air path formed in the throttle body and provided with the main throttle valve and the sub-throttle valve so as to open or close the intake air path; and a bypass air path that is different from the intake air path and provided with an idle speed control (ISC) valve that is controlled so as to open or close the bypass air path in conjunction with the sub-throttle valve. | 02-05-2009 |
20090095252 | Engine Unit and Vehicle Including The Same - 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. | 04-16-2009 |
20100018497 | THROTTLE BODIES AND SADDLE-TYPE VEHICLES INCLUDING VALVED INTAKE CONDUITS FOR ENGINE - A throttle body includes first and second intake conduits, first and second valves, and first and second gears. The first and second intake conduits are configured for respective placement in fluid communication with first and second cylinder housings of an engine. The first valve is associated with the first intake conduit and is movable to selectively adjust restriction of the first intake conduit to passage of fluid. The second valve is associated with the second intake conduit and is movable to selectively adjust restriction of the second intake conduit to passage of fluid. The first gear is attached to the first valve and the second gear attached to the second valve. The second gear is engaged with the first gear such that the first and second gears correspondingly rotate. Engines and saddle-type vehicles are also provided. | 01-28-2010 |
20100077991 | Throttle valve control system for an internal combustion engine, engine incorporating same, and vehicle incorporating same - A throttle valve control system for an internal combustion engine includes plural throttle bodies with respective intake passages formed therethrough. Each of the respective throttle bodies includes a throttle valve shaft and a throttle valve, the throttle valves are operated by an actuator via the throttle valve shafts. The throttle bodies are each provided with plural fuel injection valves, and fuel lines which connect adjacent fuel injection valves together are arrayed in parallel with a direction of the throttle valve shafts, and are arranged between the throttle bodies and the actuator. | 04-01-2010 |
20100095930 | ENGINE WITH PROGRESSIVE DUAL BORE ELECTRONIC THROTTLE BODY - An engine wherein a progressive throttle body includes two side by side throttle bores with throttle blades of equal size. A primary throttle opens from closed to an idle position with slowly increasing flow providing excellent idle and low engine speed air control. A secondary throttle opens slightly after the idle airflow position of the primary throttle and then opens more quickly, equaling the primary throttle opening near half throttle. Thereafter, the throttles open together, raising the airflow to maximum when both throttles are fully open. Both throttles are driven by a single electronically controlled motor or other actuator through two gearboxes that provide the varying flow curves. Throttle position sensors on both throttle shafts feed back throttle positions to an electronic controller to provide needed data for electronic throttle control in response to throttle commands. Additional features are disclosed. | 04-22-2010 |
20100095931 | CONTROL APPARATUS FOR DRIVING SOURCE - A first arbitration unit determines one demand engine torque of static demand engine torques set in a power train driver model and an ECT torque control system. The demand engine torque determined by the first arbitration unit is converted into dynamic demand engine torque by a conversion unit. A second arbitration unit determines demand engine torque for use in control of an engine from among the dynamic demand engine torque converted from the static demand engine torque by the conversion unit, dynamic demand engine torque set by a VDIM system, and dynamic demand engine torque set by a vibration suppression control system. An engine control system controls the engine according to the demand engine torque determined by the second arbitration unit. | 04-22-2010 |
20100132663 | Multiple throttle device - A compact multiple throttle device where multiple throttle shafts are driven by a single drive force. A throttle device includes a first throttle shaft to which a first throttle body and a third throttle body are fixed and also includes a second throttle shaft to which a second throttle body and a fourth throttle body are fixed. The first throttle shaft and the second throttle shaft are parallel to each other. The third throttle body and the fourth throttle body are integrally coupled to each other in a gear case. In the inside of the gear case, a motor for driving the first throttle shaft and the second throttle shaft is arranged. Further, first to sixth gears for transmitting drive force of the motor to the first throttle shaft and the second throttle shaft are included. | 06-03-2010 |
20110253098 | Stored Compressed Air Management and Flow Control for Improved Engine Performance - A method for providing air to a combustion chamber of an engine, the engine including a compressor and a boost tank selectably coupled to an intake manifold. The method comprises admitting air from the compressor to the intake manifold via a main throttle valve, storing some air from the compressor in a boost tank, and discharging some of the air stored in the boost tank to the intake manifold via an auxiliary throttle valve distinct from the main throttle valve. | 10-20-2011 |
20110290213 | Throttle control device - A throttle control device includes a throttle body having at least three air-intake passages aligned in line as being opened and closed respectively by a throttle valve, plural motors including a first motor which commonly operates the throttle valves placed at bilateral end sides among the throttle valves aligned in line and a second motor which operates a throttle valve placed at the inner side between the throttle valves at the bilateral end sides, and a transmitting portion which transmits operational force of the first motor to a first throttle shaft fixed to one throttle valve of the throttle valves at the bilateral end sides and to a second throttle shaft fixed to the other throttle valve thereof so as to rotate the first throttle shaft and the second throttle shaft in synchronization with each other. | 12-01-2011 |
20120024261 | VACUUM SYSTEM FOR AN ENGINE - Systems and methods for generating a vacuum in an engine are provided. The system includes a first throttle upstream from a plurality of cylinders and a second throttle upstream from one of the cylinders. The system further includes a vacuum reservoir in fluidic communication with an intake runner downstream from the second throttle; a vacuum consumer in fluidic communication with the vacuum reservoir, the vacuum consumer controlled by an actuator; and a pneumatic actuator driven by a pressure state of the vacuum reservoir to adjust the second throttle. | 02-02-2012 |
20120118265 | ENGINE ASSEMBLY INCLUDING INDEPENDENT THROTTLE CONTROL FOR DEACTIVATED CYLINDERS - An engine assembly may include an engine structure, a first intake valve located in a first intake port, a first valve lift mechanism, a second intake valve located in a second intake port, a second valve lift mechanism, a first throttle valve, and a second throttle valve. The second intake valve may be displaced to an open position by the second valve lift mechanism during a first mode and the second intake valve may be maintained in a closed position by the second valve lift mechanism during a second mode. The first throttle valve may be in communication with an air source and the first intake port and control air flow from the air source to the first intake port. The second throttle valve may be in communication with the air source and the second intake port and control air flow from the air source to the second intake port. | 05-17-2012 |
20120312275 | FLAT DEVICE AND INTAKE SYSTEM - A valve device for an intake system of an internal combustion engine may include a housing and a flap arrangement. The housing may have one inlet duct per cylinder of the internal combustion engine. The flap arrangement may have a flap for each inlet duct for varying the cross-section of the respective inlet duct through which a flow can pass. The respective flap may be a trough-shaped flap having a curved stirrup region. The respective flap may be arranged between the stirrup ends eccentrically with respect to a flap pivot axis. The flap arrangement may have a common actuating shaft for the common pivoting of the flaps about the flap pivot axis. The actuating shaft may be coupled with an adjusting drive via a lever element having a metallic insert and a plastic body injected onto the insert. | 12-13-2012 |
20130032122 | ENGINE INCLUDING INTAKE AIR FLOW CONTROL ASSEMBLY - An intake air flow control assembly includes an actuator, a valve shaft, a first valve member and a drive member. The actuator includes a drive shaft defining a first rotational axis. The valve shaft defines a second rotational axis. The first valve member is fixed for rotation with the valve shaft and adjusts air flow from an intake manifold to an engine intake port. The drive member is engaged with the drive shaft and the valve shaft. The drive member extends around an outer circumference of the drive shaft and around an outer circumference of the valve shaft. The drive shaft is rotatable in first and second rotational directions opposite one another to rotate the valve shaft via the drive member and rotationally displace the first valve member. | 02-07-2013 |
20130037000 | VALVE DEVICE WITH AT LEAST TWO SEPARATELY PRODUCED VALVES ASSEMBLED TOGETHER FOR JOINT MOVEMENT - A valve device ( | 02-14-2013 |
20130133617 | Multiple Throttle Device - A multiple throttle device of the invention employs a constitution in which, as a sensor section that detects the opening of throttle valves, a shaft member formed to have a different axis from a throttle shaft is positioned within the width L of a throttle body, and a throttle position sensor is disposed in the shaft member. | 05-30-2013 |
20140060483 | THROTTLE BODY STRUCTURE - A throttle body structure includes a plurality of throttle bores, an idle air control valve that is provided between the throttle bores, a plurality of bypass passages that extend toward a downstream side of the throttle bores, and bypass ports that are arranged between the throttle bores and supply idle air to throttle bores which are spaced apart from the idle air control valve. Compound bypass passages and third bypass passages are arranged parallel to each other. The third bypass passages communicate with the throttle bores arranged adjacent to the idle air control valve, and the compound bypass passages communicate with the bypass ports. | 03-06-2014 |
20140116377 | AIR INTAKE CONTROL VALVE AND AIR INTAKE APPARATUS - This air intake control valve includes a valve body rotatably mounted on a surge tank of an internal-combustion engine, rotated between an open position and a closed position to open and close a fluid passage formed in a partition wall internally dividing the surge tank into two parts and a valve body sealing member arranged on the outer periphery of the valve body, providing a seal between the partition wall and the valve body by coming into contact with the partition wall of the surge tank at the closed position of the valve body. | 05-01-2014 |
20140202424 | Variable throttle device - A variable throttle device comprises at least two fixed throttle orifices and one switch device. The at least two fixed throttle orifices are connected in series; and the switch device is connected in parallel with at least one of the at least two fixed throttle orifices. In another implementation, a variable throttle device comprises at least two throttle passages and one switch device, each of the at least two throttle passages has at least one fixed throttle orifice or a plurality of fixed throttle orifices connected in series, the at least two throttle passages are connected in parallel, and the switch device is connected in series with at least one of the at least two throttle passages to selectively open or close the at least one throttle passage. The variable throttle device can increase or decrease the throttling resistance to meet the requirements of the valve seating velocity under different operating conditions. | 07-24-2014 |
20140230781 | CHARGE MOTION CONTROL VALVE AND INTAKE RUNNER SYSTEM - A plural port intake manifold with outlets aligned along a common cylinder head plane and each intake port containing, a valve unit including a valve plate that is rotatable by a shaft along an axis of rotation recessed within an inner wall as well as a welded connection encircling each intake port upstream of the axis. The system may allow the use of a plate CMCV that can fully retract into the intake runner when not in use. | 08-21-2014 |
20140261311 | FUEL MIXER - A fuel mixer is provided that delivers a mixture of a gaseous fuel and air to an internal combustion engine by way of multi-stage operation by way of sequentially actuated primary and secondary throttle valves. The fuel mixer may include primary and secondary venturies that are defined within primary and secondary venturi tubes. The secondary venturi tube may be longitudinally aligned with an outlet of the fuel mixer. The primary venturi tube may be arranged at an angle with respect to the secondary venturi tube and the outlet of the fuel mixer. | 09-18-2014 |
20140360462 | THROTTLE HAVING TWO CHANNELS WITH CONTROL VIA EACH CHANNEL - The invention relates to a double distributor for distributing the intake fluid of an engine, comprising a body in which first and second flow channels are arranged, first and second movable shutters being positioned in said flow channels, said distributor also including an actuator motor and kinematics for simultaneously actuating the first and second shutter, characterised in that the kinematics are arranged so as to distribute the flow passing through the first output channel by rotating the first shutter, provide proportional distribution via the two output channels by simultaneously rotating the two shutters, and distribute the flow passing through the second output channel by rotating the second shutter. | 12-11-2014 |
20150096532 | DUAL-PORT THROTTLE BODY - A throttle body including a body having two ports extending through the body. The two ports arranged in a side-by-side relationship relative to one another. The body has a bridge positioned between the two ports, and the bridge having an inlet end and an outlet end. The bridge is configured to define a peak at the inlet end intersecting a line extending from a center of one port to a center of the other port. | 04-09-2015 |