Matches 1 - 50 out of 235 1 2 3 4 5 >
Match Document Document Title
7637240 Engine balancer  
An engine balancer including a rotatable drive balance shaft having a first balance weight and a first portion formed at a position offset from the first balance weight in an axial direction of the...
7631629 Heat transfer member for balancer housing  
A multi-cylinder internal combustion engine in which pistons provided in a plurality of cylinders are coupled to a crankshaft by connecting rods, an oil pan for storing oil is mounted below a...
7617810 Counterweight shaft construction which reduces lubricant aeration  
A casing is provided to be disposed around at least a portion of a counterweight of a balance shaft in order to define a circumferential surface surrounding the counterweight which has a generally...
7571703 Balancing shaft  
The invention relates to a balancing shaft, whose balancing weight is located between two cylindrical bearing surfaces and which is configured as one piece with said weight. The end cross-sections...
7556012 Counterweight arrangement for an internal combustion engine in a motor vehicle  
A counterweight arrangement for an internal combustion engine with three cylinders. The internal combustion engine having a crankshaft rotating about an axis of rotation, with three cranks which...
7461624 Compensating shaft drive  
A compensating drive for driving a compensating shaft of an internal combustion engine, comprising a toothed belt or a chain, which connects a crankshaft driven wheel of the internal combustion...
7434560 Balancing device for an engine  
With a view to reducing the load imposed by a cantilevered balancer weight on a balancer shaft bearing while balancing the inertia force generated by the balancer weights with the center of gravity...
7367303 Crankshaft of in-line four-cylinder engine  
In a crankshaft of an in-line four-cylinder engine, an arm that is closest to a flywheel has a greater average thickness in a direction of the rotation axis of the crankshaft than those of other...
7343893 Internal combustion engine  
An internal combustion engine includes a connecting rod that connects a crankpin and a piston. The connecting rod has first and second connecting rods, and a guide piston is disposed at a...
7334553 Balancer driven gear of engine  
A balancer driven gear of an engine, for the transfer of rotation of the crankshaft to a balancer shaft, is made up of a gear member, a bush member and elastic members and interposed therebetween....
7318404 Piston engine  
A piston engine has a crank assembly, a piston assembly, a crank case assembly and a cylinder head assembly. The crank assembly has a central axle, two counterweight blocks and a crank axle. The...
7296553 Engine balancer apparatus  
A balancer apparatus including a first balancer and a second balancer. The first balancer includes a first balance weight and the second balancer includes a second balance weight and wherein the...
7246533 Reciprocating counterweight structure for a reciprocating saw  
A counterweight in a reciprocating saw counterbalances a reciprocating shaft assembly adapted to hold a saw blade. The counterweight is supported for reciprocating motion by slides which ride...
7210373 Crankshaft for a v-type internal combustion engine  
A crankshaft ( 1 ) includes a first to a sixth crank pin ( 41–46 ), a first to a fourth main journal ( 21–24 ) and a first to a ninth crank arm ( 61–69 ). At least the first, the second, the...
7191742 Diesel aircraft engine  
The present invention is an engine, including two banks of cylinders in a flat, opposed cylinder arrangement and a crankshaft having a plurality of paired throws, the two throws of each respective...
7162797 Method of correcting imbalance of a scroll compressor  
A compressor has a compression unit for compressing gas to a desired pressure, a drive shaft and a balancer. The drive shaft is connected to the compression unit for driving the compression unit....
7137897 Shaft comprising a part connected thereto by welding  
A shaft ( 1 ) with a co-rotating element ( 2 ) which is secured to it and has a surface located perpendicular to the axis ( 3 ) of the shaft, the welding taking place in the fillet formed between...
7117781 Piston balancing system  
A piston pump or compressor has a dynamically balanced drive assembly in which nearly all of the rotational, oscillatory and axial forces on the rotating drive shaft are canceled. The piston is...
7040273 Mass balancing for internal combustion engine  
An internal combustion engine includes a crankcase, a cylinder, a piston, a crankshaft, and a piston connecting rod. A counterweight connects to the crankshaft through a counterweight connecting...
6990898 Mechanical pressing machine  
A mechanical pressing machine includes a slider mounted on an input shaft at a location below a cam, and a sliding block and a balance weight mounted at locations above the cam. A first cam...
6959683 Crankshaft for an internal combustion engine  
A crankshaft has a helical drive gear formed as one of the crank webs at an end portion thereof. Another crank web outside of the drive gear is made in two parts, an integral balance weight...
6912929 Multi-piece crankshaft construction  
A multi-piece crankshaft having a shaft with two ends and in which the shaft is adapted to rotate about its shaft axis and a crankpin with at least one indentation. The shaft and crankpin are...
6874458 Balance system for single cylinder engine  
A balance system and method for balancing piston forces within a single cylinder internal combustion engine are disclosed. The balance system includes a crankshaft, a counterbalance assembly and a...
6860729 Compressor having main and adjustable balancer portions  
A compressor has a compression unit for compressing gas to a desired pressure, a drive shaft and a balancer. The drive shaft is connected to the compression unit for driving the compression unit....
6854358 Compensating shaft assembly for piston engines  
A balance shaft unit for internal combustion engines consists of at least one balance shaft ( 6, 7 ) supported in a balance casing ( 5 ) and counterweights ( 8 ) connected onto it. In order to...
6820518 Crankshaft assembly  
A crankshaft assembly for an internal combustion engine having a one-piece elongated shaft adapted to rotate about a longitudinal axis. The shaft includes a radially offset portion between the ends...
6772654 Coriolis crankshaft  
A crankshaft being integrated with stemmed, inertia-forced lobes that increase engine and motor efficiency, in which a respective lobe extends and branches out to a single traversal side of...
6732697 Inertial balancing system for internal combustion engine  
A reciprocating internal combustion engine balancing system includes multiple reciprocating balancers attached to the cylinder block at the front and rear ends of the crankshaft. The balancers are...
6695601 Self-balanced compressor crankshaft  
A hermetic compressor assembly including a compressor housing, a compression mechanism disposed in the housing, a motor disposed in the housing; and a crankshaft operatively coupling the...
6682437 Static unbalance-type balance shafts with axis alignment preservation  
A static unbalance-type balance shaft for canceling unbalance forces of an engine includes a principal bearing journal located adjacent a first end of the shaft and an outrigger bearing journal...
6681708 Engine for planing boat  
An engine suitable for mounting in a small planing boat, which both lowers the center of the gravity of the boat, and enables a degree of freedom in arranging accessories. Balancers are arranged on...
6659060 Crankshaft drive for an internal-combustion engine  
A crankshaft drive for an internal-combustion engine includes a crankshaft, a connecting rod assembly coupled to the crankshaft, and a balancing shaft arranged parallel to the crankshaft and at a...
6581495 Balancer shaft  
There is provided an apparatus for a reduced mass balancer shaft that effectively balance first or second order imbalances in an internal combustion engine. The balancer shaft is symmetrical with...
6412366 Engine counterweight  
An improved counterweight for a crankshaft having a main body which is adapted to rotate about a predetermined axis. The main body includes a major lobe on one side of the axis and a diametrically...
6408716 Magneto flywheel having improved key  
An improved flywheel for use in a small gasoline engine of the type utilized in string trimmers, chain saws, lawn mowers and other such devices. The flywheel comprises a flywheel body including a...
6382166 Balancing system using reciprocating counterbalance weight  
An engine counterbalancing system has a counterbalance weight that reciprocates in a linear manner in opposition to piston movement. The counterbalance weight is preferably coupled to the...
6382165 Engine balancer apparatus  
A balancer case ( 21 ) is coupled to the lower portion of a cylinder block ( 10 ) through turrets ( 12 ) made of a material having almost the same coefficient of linear expansion as that of a...
6352004 Working device with mass balancing at the crank mechanism  
A working device, especially a ramming device for compacting soil, or a hammer, has a crank mechanism for producing a controlled vibration. The crank mechanism is coupled with a set of springs....
6327933 Crankshaft parting line strategy  
A parting line strategy for a crankshaft (100) includes providing a parting line that has a plurality of portions that extend across a plurality of cheeks (104, 106, 108) and pins (120, 126, 136,...
6324942 Engine crankshaft made by forging  
An engine crankshaft (1) made by forging, that has larger counter weights (8) without increasing a manufacturing cost. Engaging two dies with each other performs the forging. Each counter weight...
6305339 Balance shaft for engine balancing systems  
In a balance shaft for engine balancing systems for canceling an unbalance force of an engine, a journal portion of the balance shaft is provided with a recess on a side remote from the...
6295962 Crankshaft and piston arrangement  
A crankshaft and piston arrangement for a combustion engine including a piston pivotally connected to a crankshaft by a connecting rod and two balance structures each including a balance structure...
6237442 High value static unbalance-type balance shafts  
A static unbalance-type balance shaft for rotating machinery such as vehicle engines includes a bearing surface adjacent the other end. The balance shaft includes a balance weight adjacent the...
6174149 Scroll compressor with captured counterweight  
A counterweight is attached to a rotating shaft by a slip fit, combined with two axially abutting surfaces to hold the counterweight. The counterweight is preferably held at one face by a ledge...
6164259 Engine balance apparatus and accessory drive device  
A balancing mechanism for an engine that has a rotating crankshaft and reciprocating pistons such as those engines used in automobiles, aircrafts, boats, piston-driven compressors, piston-driven...
6135727 Detachably affixed counterweight and method of assembly  
A compressor or pump assembly including a housing, a compression mechanism disposed within the housing, a shaft operatively connecting the compression mechanism and a drive source, the shaft having...
5983752 Adjustable counterweight system for a machine for forming concrete blocks, pavers or the like  
An adjustable counterweight apparatus for use in vibratory machines, such as concrete molding machines, where a rotating shaft is engaged with a vibrating or oscillating load. The counterweight...
5931051 Vibration dampener for a rotating shaft  
A drive shaft vibration dampener having an outer cylindrical housing which attaches to the end of the drive shaft. An inertia disc mounts within the housing, mounting to the housing through a...
5910195 Bearing spacer and crankshaft seal for end cap assembly of air compressor  
An end cap assembly for an air compressor driven by an internal combustion engine has a crankshaft structure provided with a shaft, an end cap disposed around the shaft, a first set of ball...
5899120 Crankshaft with laminated counterweight  
A laminated counterweight for connecting the main shaft with the crankpin of a crankshaft in which the counterweight includes a pair of end laminations which are circular in shape and have a...
Matches 1 - 50 out of 235 1 2 3 4 5 >