Class 123/583 - With linkage between carburetor throttle valves

Subclass of Class 123 - Internal-combustion engines
Definition: Subject matter in which means is provided to interconnect
No. of patents: 30
Last issue date: 03/13/2007

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Number	Title	Issue Date
7188600	Internal combustion engine capable of selectively resting certain cylinders during low-load operation, and method of using same An internal combustion engine incorporating rest cylinders is provided which does not need a high response performance when operating a throttle valve and which can eliminate engine output variations as the number of operable cylinders changes. In the internal combu...	03/13/2007
7121256	Throttle body A throttle body for controlling a plurality of throttle valves in a multi-cylinder engine. The throttle valves of at least two of the cylinders are structurally connected to each other. ...	10/17/2006
7040454	Dry-sump lubrication type four-stroke cycle engine The interior of a crankcase is divided into a front crank chamber and a rear transmission chamber by a partition wall of a given height. A lower part of the transmission case is used as an oil reservoir chamber for reserving lubricating oil. Opposite ends of the cra...	05/09/2006
7028681	Twin carburetor for V-type engine To improve productivity of a connection member between first and second carburetors, and to reduce maintenance work area for a main drive throttle valve lever, a driven throttle valve lever and a connection lever, a main drive throttle valve lever is arranged to pro...	04/18/2006
6964259	Nonadjustable outboard motor throttle linkage A throttle linkage for use with an internal combustion engine is disclosed which connects a throttle actuator to a throttle assembly. The throttle linkage is nonadjustable and interacts with a plurality of throttle stops integrally formed with an engine block. Such ...	11/15/2005
6904889	Engine for personal watercraft and crankshaft thereof Disclosed is an engine of a personal watercraft having a water jet pump at a rear end thereof, in which a center of gravity of the engine is located rearward for improvement of planing capability of the watercraft. The engine comprises: a crankcase having a front en...	06/14/2005
6539923	Apparatus for mixing air and fuel in an internal combustion engine An apparatus (1) for mixing air and fuel in an internal combustion engine comprises at least two throttle bodies (2a, 2b) having an inlet and an outlet and at least two air chokes (8), each located at the inlet of one of the throttle bodies (2a, 2b) and c...	04/01/2003
6484706	Nonadjustable throttle linkage and internal combustion engine employing same A throttle linkage for an internal combustion engine includes a lever assembly that is configured to connect an operator-manipulated input element to an output element that controls at least a throttle of the engine. At least one stop pin is mounted on th...	11/26/2002
6468121	Engine for small watercraft An engine for a small watercraft, having an exhaust system that extends from an engine body and then generally surrounds the engine body. An air chamber of an air induction system for the engine, which has a relatively large volume, is located under the e...	10/22/2002
6305341	Fuel supply apparatus of outboard motor An outboard motor with an engine having a crankcase in which a crankshaft is perpendicularly arranged in a state that the outboard motor is mounted to a hull. The outboard motor is provided with a fuel supply apparatus that includes an interlocking mount ...	10/23/2001
6205987	Small-sized boat A small-sized boat of the present invention includes a plurality of diaphragm type carburetors corresponding to each cylinder of a multicylinder engine. A crankshaft axis extends along a line extending through a bow and a stern of a hull. The carburetors ...	03/27/2001
6003502	Mechanism for coordinating operation of throttle valves in carburetor system To provide a mechanism for coordinating the operation of throttle valves in a carburetor system in which a plurality of carburetors are connected in series and are then arranged in parallel with one another so as to position shafts thereof in parallel wit...	12/21/1999
5921225	Intake control mechanism for marine propulsion unit An intake control mechanism for controlling the flow of air through an air intake of an engine is disclosed. The air intake comprises an intake member defining an intake passage corresponding to each combustion chamber of the engine. A throttle valve and ...	07/13/1999
5803044	Throttle valve synchronization mechanism A throttle valve synchronization mechanism for a marine engine includes a throttle linkage which improves synchronization of throttle valve operation, while minimizing the opening degree of the throttle valves when moved to a closed position. The throttle...	09/08/1998
5524596	Mounting arrangement for engine components of an outboard motor A mounting arrangement for an accelerator pump and a choke actuation mechanism, which are used in conjunction with a plurality of charge formers, minimizes the girth of the engine while making these components more accessible and easing assembly. An actua...	06/11/1996
5517977	Mounting arrangement for engine components of an outboard motor A mounting arrangement for an accelerator pump and a choke actuation mechanism, which are used in conjunction with a plurality of charge formers, minimizes the girth of the engine while making these components more accessible and easing assembly. An actua...	05/21/1996
5517963	Charge former linkage system for outboard motor A linkage system interconnects a plurality of throttle shafts, while minimizing the effects of thermal expansion in the linkage on the throttle shafts. The linkage includes a plurality of linkage rods which interconnect a plurality of throttle levers atta...	05/21/1996
5367998	Fuel injection system for an engine A fuel injection and control system for a V-type, two cycle, crankcase compression, internal combustion engine. The fuel injection system includes fuel injectors positioned in the valley of the engine and which are supplied with fuel under pressure from a...	11/29/1994
5088468	Interlinking mechanism for multiple carburetor system A throttle valve synchronizing arrangement for the induction system of a V type engine wherein the throttle valves associated with each cylinder bank rotate in common vertical planes but wherein these planes are not parallel or collinear with each other a...	02/18/1992
4995370	Linked operating device for multiple carburetors A synchronizing mechanism for synchronizing a plurality of throttle valves that employs a single coupling member that couples slave butterfly valves to a directly operated butterfly valve for synchronizing all of the butterfly valves simultaneously....	02/26/1991
4971006	Synchronizing mechanism for throttle valves of multiple carburetors A throttle valve synchronizing mechanism for a plurality of throttle valves interconnected by a linkage system. The synchronizing system includes a pair of pivotally supported levers one of which is fixed for rotation with one of the throttle valve shafts...	11/20/1990
4823748	Actuating arrangement An actuating arrangement connected with throttle valves of suction pipes of an internal combustion engine which are to be actuated synchronously. The throttle valves include bearing shafts and cooperate by way of levers with a linkage of the actuating arr...	04/25/1989
4757792	Internal combustion engine An internal combustion engine comprising a crankcase adapted to rotatably support a crankshaft having an axis, the crankcase defining a plurality of crankcase chambers and including a generally flat manifold mounting surface including therein a first seri...	07/19/1988
4577608	Carburetion system including an adjustable throttle linkage A throttle linkage assembly comprising a throttle shaft rotatable about a throttle shaft axis between an idle position and a wide open throttle position, a throttle plate fixed on the throttle shaft, a driven lever pivotable about the throttle shaft axis ...	03/25/1986
4566424	Flexible coupling for carburetors A fuel supply assembly including carburetors with separate throttle shafts in general axially alignment, and a U-shaped coupling for flexibly connecting the carburetor throttle shafts. The coupling includes a bight connected to a pair of legs each having ...	01/28/1986
4508189	Motorcycle Several embodiments of improved compact motorcycle configurations. In each embodiment, a single suspension element is provided for the rear wheel that extends generally in the longitudinal center plane of the motorcycle. In accordance with each embodiment...	04/02/1985
4261304	Induction system for multi-cylinder engine An induction system for a multi-cylinder internal combustion engine that improves fuel efficiency and reduces the emission of unwanted exhaust gas constituents, particularly at the low and medium load conditions. The engine induction system comprises a pl...	04/14/1981
4243001	Induction system for multi-cylinder engine An induction system for a multi-cylinder internal combustion engine that improves fuel efficiency and reduces the emission of unwanted exhaust gas constituents, particularly at the low and medium load conditions. The engine induction system comprises a pl...	01/06/1981
4062334	Fuel system of internal combustion engine A fuel system for an internal combustion engine comprises a pair of carburetors provided one each on the exhaust and intake side of the engine. The fuel-air mixture from the first carburetor is heated by exhaust gas before being introduced into an intake ...	12/13/1977
4016838	Apparatus for opening and closing control of a multi-carburetor arrangement An apparatus for the opening and closing control of a multicarburetor arrangement in which throttle valves of a plurality of carburetors are controlled to be opened and closed by a single common throttle valve operation member. A single drum shaft is inse...	04/12/1977

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Class 123/583 - With linkage between carburetor throttle valves