Class 123/58.1 - Cylinders in-line

Subclass of Class 123 - Internal-combustion engines
Definition: Multiple cylinder engine including a crankshaft that turns
No. of patents: 24
Last issue date: 07/03/2007

Number	Title	Issue Date
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
7124716	Internal combustion engine using opposed pistons An internal combustion engine having a cylindrical outer housing with inner cylindrical cylinders defining power cylinders circumferentially spaced in the engine. Each of the cylinder(s) has opposed intake and exhaust pistons. The intake and exhaust pistons use air ...	10/24/2006
7096843	Multicylinder four-cycle combustion engine There is provided a multicylinder four-cycle combustion engine, in which a communication hole is formed, to allow gases to flow smoothly form one cylinder to another so that the pumping loss occurring within the cylinders can be reduced. The combustion engine (E) in...	08/29/2006
7089906	Multi-cylinder engine The invention provides a multi-cylinder engine wherein, even where it is structured such that a cam chain case is provided on a side portion of the engine, a working fluid supply path can be simplified and the weight and size of a cylinder head reduced. According to...	08/15/2006
7007665	Outboard engine An outboard engine has an internal combustion engine as a prime mover, a throttle valve device including a valve element and a valve shaft supporting the valve element, and combined with the internal combustion engine, a driven unit combined with the throttle valve ...	03/07/2006
5960751	Inclined engine with governor gear A cylinder body (2) is so formed as to project from a crank chamber (3) in an inclined manner, and a governor gear (50) for driving a centrifugal governor is arranged above a location where a crankshaft (20) is horizontally bridged within the crank chambe...	10/05/1999
5762040	Cylinder wall fuel injection system for loop-scavenged, two-cycle internal combustion engine A loop-scavenged, two-cycle internal combustion engine has a low-pressure, cylinder wall fuel injection system that is practical for multi-cylinder marine engines and also reduces the amount of unburned hydrocarbons in exhaust emissions when compared to c...	06/09/1998
5476077	Thermostat-mounting position structure An engine has an exhaust manifold placed on an air outlet side thereof, and an auxiliary device and a water pump are both positioned on the air outlet side of the engine toward one axial end of a crankshaft. The auxiliary device and the water pump are sit...	12/19/1995
5287942	Vehicle power train structure This invention has as its object to provide a vehicle power train structure, which can decrease the total height and the total length of the entire power train as a combination of an engine, a transmission, a drive shaft, and the like. In order to achieve...	02/22/1994
5205244	Air intake system for fuel injection type motorcycle engine An air intake system for a fuel injected type of motorcycle engine wherein the induction system for the engine is such that it along with the engine substantially encloses a fuel injector so as to silence any noise emanating from it....	04/27/1993
5152255	Engine cooling system for snowmobile A snowmobile having a liquid cooled transversely disposed internal combustion engine comprised of two blocks each containing two cylinder in aligned fashion. The coolant pump for the engine is disposed on one side of the engine and communicates with cooli...	10/06/1992
5083544	compression-ignition engine, in particular for light aircraft The camshaft of the engine is located centrally and longitudinally in the crankcase, parallel to the crankshaft, and besides operating the valvegear, provides the drive for a fuel injection system of which the pump consists in a number of independent elem...	01/28/1992
4924824	Two stroke engines A two stroke engine has a closed plane cylinder with an inlet port and outlet port disposed on opposite sides of the cylinder towards the open end thereof. A piston is slidingly sealed in the cylinder the piston having a head portion which is slidingly se...	05/15/1990
4922875	Power driven, positive displacement, combustion chamber for production of mixtures of steam and exhaust gases Apparatus for generating hot combustion gases and steam including a piston block with a piston reciprocally mounted in a bore therethrough having solenoids and sensors for selectively introducing hydraulic fluid into the bore on the first side of the pist...	05/08/1990
4515117	Method of and apparatus for igniting internal combustion engine An electric or electronic system for igniting an internal combustion engine comprising generating electric pulses from a pulse generator at such a desired pulse rate as capable of producing a desired number of electric discharges per one explosion step in...	05/07/1985
4462344	Intake and exhaust manifold arrangement of internal combustion engine An intake and exhaust manifold arrangement of a multiple-cylinder internal combustion engine, comprising an intake manifold including branch portions leading to the intake ports and mounting flange members securely connecting the branch portions to the cy...	07/31/1984
4462482	Motorized two-wheeled vehicle A motorcycle of such a type that a vehicle body frame is provided thereon with an internal combustion engine 4 in front and a transmission 5 in rear. An intermediate driving shaft 18 is interposed between a crankshaft 8 of the engine 4 and an input shaft ...	07/31/1984
4386586	Manifold on a six-cylinder in line engine The invention relates to a manifold on a six-cylinder in-line engine for the conduction of the exhaust gases between the engine block and the exhaust piping, the manifold comprising pipe lines which are formed by half shells consisting of sheet metal and ...	06/07/1983
4331212	Motorized two-wheeled vehicle A motorcycle of such a type that a vehicle body frame is provided thereon with an internal combustion engine 4 in front and a transmission 5 in rear. An intermediate driving shaft 18 is interposed between a crankshaft 8 of the engine 4 and an input shaft ...	05/25/1982
4329843	Exhaust passage system of six cylinder engines A six cylinder internal combustion engine having first and second groups of three adjacent combustion chambers and an exhaust valve port connected to each of the six combustion chambers. In each group of three adjacent combustion chambers the exhaust valv...	05/18/1982
4223647	Slanted internal combustion engine Each cylinder of a slanted, in-line, overhead valve, internal combustion engine has intake and exhaust valves with axes which extend radially from and perpendicular to the camshaft axis. The camshaft axis is above an inclined plane which includes the cent...	09/23/1980
4170966	Mixture-compressing internal combustion engine, especially four-cycle engine A mixture-compressing internal combustion engine with a combustion space arranged either in the piston or in the cylinder head and with an ignition source located in the cylinder head; the main volume of the combustion space is thereby delimited by circul...	10/16/1979
4135478	Modular engine construction A modular internal combustion engine is provided in which a single crankcase can be adapted to a plurality of different types of engine configurations. The crankcase is open at its top so that each upper side edge of the crankcase forms a mounting flange ...	01/23/1979
3977385	Internal combustion engines with straight line reinforcing members between cylinder heads and main bearings An internal combustion engine structure in which the tendency of the combustion forces to separate the cylinder head from the crankshaft bearings is resisted by external tie-rod structures attached at opposite ends to engine structure adjacent these two p...	08/31/1976

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Class 123/58.1 - Cylinders in-line