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Class 123/54.4 - "V" type


Subclass of Class 123 - Internal-combustion engines
Definition: Multiple cylinder engine wherein first and second radially
No. of patents: 135
Last issue date: 04/17/2012


1        
NumberTitleIssue Date
8156905Internal combustion engine having a cylinder crankcase and a V-shaped cylinder configuration
An internal combustion engine having a cylinder crankcase and a v-shaped cylinder configuration and having a lubricant circuit which operates according to the dry sump principle and has a lubricant reservoir, wherein the lubricant reservoir is located within the cyl...
04/17/2012
8141525V-type engine
In a V-type engine in which first and second banks arranged in a V-shape are provided continuously to a crankcase, and in which a carburetor is placed at a valley between the first and second banks, the carburetor is placed spaced from the first and second banks. Fu...
03/27/2012
8011333Vehicle and propulsion system including an internal combustion engine
An internal combustion engine for a vehicle, such as a motorcycle, includes a crankcase, two banks of cylinders projecting from the crankcase in a 56-57 degree V-configuration, a plurality of pushrods, and a plurality of camshafts supported by the crankcase. The two...
09/06/2011
7753012Motorcycle comprising a compact internal combustion engine
The invention relates to a motorcycle comprising a space-saving, lightweight motor assembly. The use of a compact W or VR-type internal combustion engine permits the motorcycle to have reduced dimensions and a low weight. Internal combustion engines comprising six t...
07/13/2010
7703423Vehicle and propulsion system including an internal combustion engine
An internal combustion engine (300) for a vehicle, such as a motorcycle (20), includes a crankcase (380), two banks of cylinders (320a, 320b) projecting from the crankcase (380) in a V-configuration, a pluralit...
04/27/2010
7694657Engine for motorcycle
In an engine for a motorcycle, a main shaft is supported rotatably by first and second support walls of a lower case which constitutes a part of a crank case. The center distance between the crank shaft and the main shaft is to be shortened while attaining a reducti...
04/13/2010
7360620Engine mounting structure of low floor type vehicle
In a low floor type vehicle 10, a banking angle θ1 of a longitudinal V-type engine 100 mounted below a low floor is set to an angle equal to or exceeding approximately 90°. The V-type engine is arranged with a bisector L1 of the banking angle ...
04/22/2008
7331324Crankshaft rotary valve
A crankshaft rotary valve that controls fluid flow between a port located circumferentially on the crankshaft and a crankcase chamber formed by a piston, cylinder, crankcase and crankshaft. As the crankshaft rotates, a channel in the crankshaft communicates with the...
02/19/2008
7328685Slip joint exhaust manifolds
A multi-piece exhaust manifold includes a ring seal between separate portions. The separate portions have generally cylindrical sealing surfaces formed thereon to mate with the ring seal. The ring seal may include a metal sheath filled with graphite or other sealing...
02/12/2008
7278403Internal combustion engine having at least two cylinder banks
The invention relates to an internal-combustion engine having at least two cylinder bank rows, which are preferably oriented in a V-shape. An air intake system is arranged between two cylinder bank rows, and a fuel supply system is at least partially arranged below ...
10/09/2007
7275511Intake manifold assembly
An intake assembly is provided for a sequentially fired eight cylinder V-type internal combustion engine including a cylinder block having a first band of cylinders and a second bank of cylinders. The assembly includes first, second, third, and fourth intake plenums...
10/02/2007
7258094Engine block component brace
One or more component braces may be installed into the upper valley of a V-styled engine block to provide resistance to deformation of the block when used in an operating motor. The component braces include first and second mounting portions separated by a body port...
08/21/2007
7258096Oil filter fixing system for V type engine
The number of constituent parts for an oil filter fixing system such as a bracket, are reduced, and the oil leaks during filter element exchange are avoided. The oil filter fixing system comprises a V bank of a V type engine, a crankcase fixed with the V bank and an...
08/21/2007
7219657Fuel routing structure for a V-type engine
A fuel routing structure for use in a vehicle having a V-type engine is provided. The structure has fewer parts, is compact, and facilitates ease of assembly and maintenance for a vehicle where fuel injection valves are attached to an intake manifold, which contains...
05/22/2007
7219632Narrow angle V-type engine
A V-engine having a plurality of cylinders (2) arranged alternately in two banks comprises a combustion chamber provided for each of the cylinders (2), an intake port (20) which connects the combustion chamber to an intake manifold (50), ...
05/22/2007
7200483Controller module for modular supercharger system
There is provided a supercharger controller module of a supercharger system for use in conjunction with a vehicle computer system of a vehicle engine including a microprocessor in communication with the vehicle computer system. The supercharger controller module may...
04/03/2007
7168405Camshaft drive mechanism
Apparatus includes left and right inline type cylinder heads essentially identical to one another and each having an intake side, the left and right cylinder heads being combined into a “V” configuration, so that the two intake sides face one another. A left-hea...
01/30/2007
7162991Lightweight four-stroke engine
A lightweight, four stroke engine includes a crankcase enclosure and at least one piston assembly disposed within the crankcase enclosure. The piston assembly cooperates with the crankcase enclosure to provide an internal pressure to the crankcase enclosure which va...
01/16/2007
7162985Two-cylinder V-type OHV engine for outboard motors
A two-cylinder V-type OHV engine for outboard motors, which allows space saving in the direction of the width of the engine. A starboard side cylinder bank (RB) has a cylinder (34R) and a port side cylinder bank (LB) has a cylinder (34L). The first cyl...
01/16/2007
7156199Motorcycle
A motorcycle includes a seat supporting member provided extending in a rearward direction from a body. The seat supporting member includes an upper seat supporting member with a seat in place and a lower seat supporting member connected to and separated in a downwar...
01/02/2007
7150256Intake device of multi-cylinder engine
Air is aspirated by cylinders of cylinder rows (11, 12) via branch pipes (23,24) from two intake collectors (21,22) of a V type multi-cylinder internal combustion engine. An auxiliary chamber (31, 32) is formed using the space between adj...
12/19/2006
7143735Oil-guiding crankcase well structure for promoting bearing lubrication, and engine including same
A first aspect of an oil distributing structure for an internal combustion engine includes a bearing support wall including a plurality of guide ribs which are radially mounted on a surface thereof. The guide ribs may be integrally formed, and extend around an upper...
12/05/2006
7134407V-quad engine and method of constructing same
A V-quad engine has two juxtaposed V-twin cylinder banks connected to a common crankshaft and fuel and ignition systems that cause the front cylinders in the two banks to fire simultaneously and the rear cylinders in the two banks to fire simultaneously. Conventiona...
11/14/2006
7134361Flywheel and mounting method for same
In order to suppress axial vibration in a crank system, prevent knocking sound, and reduce vibration noise, a flywheel (1) which is mounted onto the crankshaft of an engine (E) is made into a spoked form having an uneven number of spokes (5). This prev...
11/14/2006
7121163Lubricating system for power unit for vehicle with internal combustion engine
A lubricating system for a power unit for a vehicle with an internal combustion engine. A static oil hydraulic type non-stage transmission is disposed on a left lateral side of a crankshaft, and a lubricating oil tank is formed integrally with a main body of the int...
10/17/2006
7117838Internal combustion engine
In an internal combustion engine, a piston reciprocating in a cylinder and a crankshaft are linked with each other by a piston-crank linking mechanism. The crankshaft includes a counterweight. When the piston is located in the proximity of a bottom dead center, an o...
10/10/2006
7114480V-type engine
There is provided a V-type engine in which banks of an engine block are offset in the same direction as the rotational direction of a crankshaft so that the banks may be displaced toward an end of a vehicle body. On the offset side, engine accessory is mounted on a ...
10/03/2006
7028681Twin 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
6976466Cylinder block and crankcase for a liquid-cooled internal-combustion engine
A cylinder block and crankcase for a liquid-cooled internal-combustion engine is to be constructed by composite casting, a magnesium case being cast around an aluminum power unit block. The cylinder block and crankcase is conceived such that the aluminum power unit ...
12/20/2005
6962131Water cooling device of vertical multi-cylinder engine
A water cooling device of a vertical multi-cylinder engine includes a cylinder block (1) one side wall of which is provided with a side water passage (3) running along a longitudinal direction of the cylinder block (1). The cylinder block (1
11/08/2005
6941914Internal combustion engine
A twin cylinder engine, includes a pair of cylinder members mounted to mounting surfaces of a crankcase, and cylinder heads mounted to the cylinder members. The cylinder members are modular components, which may be pre-assembled with components of the valve train as...
09/13/2005
6920869V-type engine
There is provided a V-type engine, in which deck cylinder parts of a cylinder block are offset in the same direction as a rotational direction of a crankshaft, and oil separation chambers are provided at an upper portion of the cylinder head displaced to a lower sid...
07/26/2005
6904885Osband super inductionexhaustion valveshaft' engine system, V-Type, flat-type, single-type, multi-cylinder four-cycle engine(s)
An internal combustion engine; having block valley radiator core, with electrical water pump and air cooling fans, cooling and circulating water through block water passages, and having block valley oil reservoirs positioned under block valley radiator core for oil ...
06/14/2005
6904883Modular internal combustion engines
A line of small internal combustion engines, including twin cylinder engines and single cylinder engines. The engines each include a crankcase, and one or more cylinder members attached to the crankcase, the cylinder members being separate components from the crankc...
06/14/2005
6895919Even-firing, fully balanced, V-twin engine
A V-twin engine includes a two cylinder reciprocating apparatus, having a pair of connecting rods joined to a crankshaft through a pair of connecting rod journals that are centered at a common throw radius from the crankshaft axis, and angularly displaced from one a...
05/24/2005
6889650Internal-combustion engine having balancing shafts
A first balancing shaft and a second balancing shaft are provided for an internal-combustion engine having four cylinders in a V-arrangement. The free inertial forces of the second order are reduced by way of the balancing shafts. The second balancing shaft is arran...
05/10/2005
6868810Bearing device
To provide a bearing device for a rotary shaft which can further restrain the damage to a sliding bearing, by determining the position of a parting surface of the sliding bearing taking into account the position of the maximum pressure of an oil film. A bearing devi...
03/22/2005
6837195V-engine supercharging device
A rotor housing (2) has flanges (8) projecting to two sides in the directions of axes of rotors and having suction flow outlets for suction pipes (33) which are integrally connected to the rotor housing (2). The rotor housing (2), ...
01/04/2005
6722323V-type engine for vehicle
A V-type engine for vehicle of the present invention includes: a crank shaft; a cam driving intermediate shaft arranged above the crank shaft; a power transmitting mechanism interconnecting the cam driving intermediate shaft and the crank shaft; cam driving chain me...
04/20/2004
6718934Balancer structure for a V-type engine
A balancer shaft is positioned on the center plane which divides cylinder banks of a V-type engine and which passes through an axis of the crankshaft, and is positioned directly below the crankshaft, whereby the balancer shaft is in close proximity to the crankshaft...
04/13/2004
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