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7258086 |
Four-cylinder, four-cycle, free piston, premixed charge compression ignition, internal combustion reciprocating piston engine with a variable piston stroke
A four-cycle, four-cylinder, premixed charge compression ignition internal combustion reciprocating free piston engine with a variable piston stroke and a compression ratio that varies as needed to...
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7219647 |
Force transfer mechanism for an engine
A multiple watt-linkage force transfer mechanism is provided for an internal-combustion engine. The force transfer mechanism comprises two “bell cranks” that are used to drive a single...
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7159558 |
Engine having centralized mass
An engine is constructed such that respective centers of gravity of a crank shaft, a balancer shaft and a cylinder are positioned close to one another and the mass of the engine is thus...
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6904888 |
Reciprocating piston device
A reciprocating piston engine (or motor) includes plural reciprocating pistons operatively connected to a single intermediate oscillating shaft, and a crankshaft having a single crank pin...
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6851401 |
Device for converting a linear movement into a rotary movement
A device for converting a rectilinear movement into a rotary movement, comprising at least one piston-cylinder mechanism having a cylinder and a piston moveable arranged in the cylinder for...
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6722127 |
Split four stroke engine
A four stroke engine including a crankshaft. A power piston within a first cylinder connected to the crankshaft such that the power piston reciprocates through a power stroke and an exhaust stroke....
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6647935 |
Reciprocating internal combustion engine
In a rockable-cam equipped reciprocating internal combustion engine, a rockable cam is rotatably fitted on the outer periphery of an intake-valve drive shaft that is rotatable in synchronism with...
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6543225 |
Split four stroke cycle internal combustion engine
A four stroke cycle internal combustion engine including a crankshaft, rotating about a crankshaft axis of the engine. A power piston is slidably received within a first cylinder and operatively...
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6158402 |
Engine block structure in multi-cylinder engine
In an engine block structure in a multi-cylinder engine in which a piston is incorporated from the side of a crank chamber into each of a plurality of cylinders disposed in series in a cylinder...
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6058901 |
Offset crankshaft engine
The cylinders (12; 48, 50) are disposed such that each piston-cylinder axis (16; 56, 58) does not intersect the crankshaft axis (20; 47). Timing of combustion within each cylinder is controlled to...
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5983845 |
Rotational motion mechanism and engine
An object of the present invention is to provide a rotary drive system and an engine which have greater toughness and which are capable of smoothly converting linear thrust force into rotary...
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5816201 |
Offset crankshaft mechanism for an internal combustion engine
An offset crankshaft mechanism for an internal combustion engine which allows for greater efficiency and increased torque. The invention includes an engine block, a crankcase, one or more piston...
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5546897 |
Internal combustion engine with stroke specialized cylinders
A multi-cylinder reciprocating piston internal combustion engine is divided into a working section and a compressor section, with the working section supporting the combustion function and the...
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5544627 |
Engine design for gasoline/diesel engines
Improved designs for the internal combustion engine are disclosed. The first embodiment of the invention relates to a configuration in which the cylinder/piston assembly is inclined at an oblique...
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5448970 |
Crankshaft connection for internal combustion engine
The invention relates to internal combustion engines and provides for the use of a piston cylinder within which a piston slidably reciprocates. A piston rod is pivotally attached at one of its ends...
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5394839 |
Internal combustion engine
An internal combustion engine in which a circular housing is journaled to an end of a connecting rod remote from a piston at an eccentricity, and a rotary member is rotatably received in the...
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5186127 |
Internal combustion engine with offset connecting journal
An internal combustion engine of the type having at least one piston cylinder, a piston reciprocating within each of said cylinder, an off-set crankshaft disposed at a predetermined distance...
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5076220 |
Internal combustion engine
In an internal combustion engine wherein the air inlet ports are opened and closed directly by the reciprocating movement of the piston, the crankshaft is laterally offset from the central plane...
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4945866 |
Altered piston timing engine
An internal combustion engine in which the center line of each cylinder is offset from the rotational axis of the crankshaft in the direction of rotation. The resulting altered piston timing...
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4712518 |
Power output mechanism for an internal combustion engine
The present invention relates to an apparatus for converting between reciprocating motion and rotational motion, and particularly involves such an apparatus used as a power output mechanism for an...
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4708096 |
Internal combustion engine
The cylinder head of each power cylinder of this internal combustion engine includes an auxiliary cylinder in communication with the power cylinder. An auxiliary piston is moveable within the...
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4672923 |
Internal combustion engine with at least two liquid cooled cylinders
Each cylinder of a liquid cooled in-line internal combustion engine includes a cylinder pipe surrounded by an annular cooling chamber. The cooling chambers are interconnected in series by crossover...
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4664077 |
Reciprocating internal combustion engine
A reciprocating internal combustion engine has a head block axially slidably mounted in a bore formed in a cylinder block in alignment with the cylinder bore, and a cam for moving the head block in...
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4651685 |
Paired beam engines and pumps
The engines may be either the swing beam or the rocker beam type and each has its crankshaft in a central, transverse plane of the block. Each engine has at least one pair of cylinders with each...
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4498430 |
Linear reciprocating piston engine
This invention is an improvement over the arrangement and couplings between the piston rod and output power shaft in an internal combustion engine. The piston rod's reciprocating movement is...
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4466388 |
Compression ignition internal combustion engine
A compression ignition engine includes a pair of axially aligned pistons which are reciprocable in a common cylinder and each connected to a crankshaft by a linkage system which includes a rocker...
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4465042 |
Crankless internal combustion engine
A power transmission mechanism primarily adapted for converting reciprocating motion of a piston within a cylinder to rotary motion includes a cam member defining a closed loop cam track having...
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4433649 |
Engine
An internal combustion engine has a piston rack depending from each piston. This rack is connected to a power output shaft through a mechanical rectifier so that the power output shaft rotates in...
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4346677 |
Combustion engine with substantially constant compression
A variable length stroke piston is provided in an internal combustion engine having an engine block means including a toroidal shaped cylinder, a piston positioned in the cylinder for arcuate...
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4274367 |
Reciprocating piston beam engine
In the disclosed internal combustion engine opposing identical pairs of pistons drive back and forth arm ends of a centrally pivoted beam which is symmetrical about its pivot. Torque is extracted...
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4270495 |
Variable displacement piston engine
A family of balanceable, variable displacement reciprocating piston engine arrangements is disclosed. The arrangements include multiple parallel cylinders having pistons movable therein in...
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4156410 |
Internal combustion reciprocating engine
An internal combustion engine having a housing defining a pair of axially aligned and opposing cylinders with a lubricant chamber therebetween, a stationary piston in the housing extending through...
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3985475 |
Expansible chamber device
An expansible chamber device with offset pistons and a crankshaft having crankpins asymmetrically angularly spaced about its axis of rotation to provide symmetrically spaced peaks in the total...
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3943894 |
Internal combustion engine with clutch transmission
An internal combustion engine having a plurality of pairs of pistons, each piston having a fixed connecting rod operating a ratchet on the crankshaft through a crank and pawls. The ratchet for each...
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3894522 |
Piston apparatus
A piston apparatus includes at least two double-ended cylinders having perpendicular axes and at least two double-ended pistons mounted for reciprocation in the cylinders. A power disk is...
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3808897 |
CRANK SYSTEM
A crank system comprising two parallel, interconnected and inwardly contra-rotatable crankshafts, the arrangement being such that rotation of the crankshafts reciprocates the piston rods in a...
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3766894 |
TWO CYCLE INTERNAL COMBUSTION ENGINE WITH SEQUENTIAL OPENING AND CLOSING OF EXHAUST AND INTAKE PORTS
A two cycle engine having dual pistons in which the pistons arrive at their top dead center substantially simultaneously. Individual chambers of the cylinder for the pistons are inclined with...
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3369733 |
Engine-compressor type machine
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3146627 |
Power drive
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3021825 |
Internal combustion engine
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2909163 |
Variable stroke piston engines
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2886017 |
Rotary internal combustion engine
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0931750 |
Title is not available
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RE14347 |
Title is not available
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