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"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 7513237 | Engine and methods of manufacturing an engine with increased internal support Support members for a reciprocating piston internal combustion engine are disclosed. Embodiments include an engine block with support members extending between portions of the cylinder cavity and/or enhancing coolant flow for cooling the combustion cylinders. Also d... | 04/07/2009 |
| 7426914 | Crankcase of an engine A crankcase of an engine having a crankshaft therein comprises a skirt part formed in the circumferential direction of the crankshaft and a stiffening rib provided on a wall surface of the skirt part as inclined at a predetermined degree angle to the axis of the cra... | 09/23/2008 |
| 7412958 | Internal combustion engine A piston-crank mechanism links crankpins of a crankshaft with piston pins of pistons by using a plurality of links. The piston-crank mechanism allows an upward inertia force produced near a top dead center of each piston to be smaller than a downward inertia force p... | 08/19/2008 |
| 7398755 | Mounting plate for internal combustion engine An internal combustion engine is disclosed. The internal combustion engine includes a crankcase and a mounting plate or base plate connected to the bottom portion of the crankcase. The base plate includes a plurality of engine mountings integrally formed with the ba... | 07/15/2008 |
| 7389763 | Cylinder block integrated with crankcase A structure of crankcase-integrated cylinder block for a small internal combustion engine is posed to increase strength and rigidity in order to reduce particularly vibration and noise. A cylinder part and a crankcase part are formed into a box-like shape being cast... | 06/24/2008 |
| 7363903 | Engine for a leisure vehicle An engine for a leisure vehicle including a crankcase having at least two crankcase portions, a plurality of main journal fastener bolts by which the two crankcase portions are coupled to each other such that a crankshaft is rotatably mounted between the two crankca... | 04/29/2008 |
| 7341414 | Fastener and method for reducing stress failure in an engine component A fastener and a method for reducing stress failure in a fastening joint of an internal combustion engine component are provided. The threaded fastener may be a bolt or a stud secured to an engine block. The fastener has a threaded tip portion with a radius and a di... | 03/11/2008 |
| 7322336 | Crankshaft bearing for an internal combustion engine Crankshaft bearings suitable for a reciprocating piston-type internal combustion engine having multiple cylinders are arranged in a housing made of a light metal alloy and include bearing bores for a crankshaft crank pins of a crankshaft. The bores having first and ... | 01/29/2008 |
| 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 central axle has two connecting segments and two flanges. The flanges a... | 01/15/2008 |
| 7287494 | Multicylinder internal combustion engine with individual cylinder assemblies and modular cylinder carrier An internal combustion engine that includes individual, liquid-cooled, cylinder assemblies mounted separately to a common cylinder carrier. A modular cylinder carrier that is assembled from separate cylinder mounting modules and main bearing bulkheads. ... | 10/30/2007 |
| 7284528 | Crank shaft support assembly A crank shaft support assembly for increasing stiffness and reducing thermal mismatch distortion in a crank shaft bore of an engine comprising different materials. A cylinder block comprises a first material and at least two crank journal inserts are insert-molded i... | 10/23/2007 |
| 7273030 | Crankshaft support structure of internal combustion engine A crankshaft support structure of an internal combustion engine, comprising a crankshaft having journal portions a saddle-shaped bearing caps respectively mounted on an undersurfaces of the journal support bases formed in a lower portion of the cylinder block in suc... | 09/25/2007 |
| 7258094 | Engine 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 |
| 7219642 | Powertrain assembly and integral truss oil pan therefor A cast oil pan is connected between en engine crankcase and a lower end portion of a transmission bellhousing. Oil pan side walls each incorporate an integrally cast truss extending between an end flange of the oil pan and adjacent portions of an upper flange to sti... | 05/22/2007 |
| 7204223 | Structure of cylinder block for engine A structure of a cylinder block includes the cylinder block having a number of cylinders; a plurality of bearing caps supporting a crankshaft along with the cylinder block; a bearing cap beam supporting each of the plural bearing caps; a number of cap bolts fastenin... | 04/17/2007 |
| 7198018 | Cylinder block for engine A cylinder block in an engine including: the cylinder block; a plurality of bearing caps for supporting a crankshaft mounted to the cylinder block; a number of cap bolts fixing the plural bearing caps to the cylinder block; a plurality of bearing cap beams, disposed... | 04/03/2007 |
| 7152568 | Internal combustion engine A cylinder block for an internal combustion engine which, in use, supports a rotary crankshaft 40, the block having pairs of opposed lock width surfaces 37 formed thereon for forming an interference fit with respective co-operating lock width surfaces ... | 12/26/2006 |
| 7143735 | Oil-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 |
| 7131419 | Crankshaft supporter A crankshaft supporter having a support member which is attached to a cylinder block of an engine so as to support a crankshaft and which is formed of an aluminum alloy matrix with a preform cast inside. The support member includes a mounting surface, bolt holes and... | 11/07/2006 |
| 7077095 | Cylinder block structure A cylinder block structure with a small number of ribs is provided which can favorably prevent the deformation of a crankshaft bearing portion. In a cylinder block having bolt holes formed on the upper surface for connecting a cylinder head with bolts, arcshaped cou... | 07/18/2006 |
| 7047928 | Method for casting an iron alloy reinforced aluminum alloy engine block A method of high pressure die casting in iron alloy reinforcements for main bearing scantlings in an aluminum alloy engine block for an internal combustion engine. Prior to casting, reinforcements (1) having bores (6) for main bearing screws are placed... | 05/23/2006 |
| 7004730 | Integral shaft for use in mud pumps A shaft for use on in a mud pump having a shaft portion and a hub portion integrally formed with the shaft portion. The hub portion extends radially outwardly of the shaft portion. The shaft portion and the hub portion are machined from a single steel black. The hub... | 02/28/2006 |
| 6990943 | Cylinder block of an engine A cylinder block for constituting an engine such as a diesel engine, comprises a cylinder portion (31) housing a piston (33); a curved skirt portion (32) covering a crankshaft (25); and ribs (61,62) formed on the inside of the skir... | 01/31/2006 |
| 6941923 | Fastening jig for a baffle plate for oil pan use and fastening method thereof A baffle plate is arranged between a crankshaft axially supported in a freely rotating manner by a cylinder block and a bearing cap and an oil pan storing lubricating oil supplied to each part of a vehicle engine. The baffle plate is fastened to the bearing cap usin... | 09/13/2005 |
| 6928974 | Reinforcement plate for a reciprocating engine The reinforcement plate for a reciprocating engine greatly reduces relative movement of the main bearings of a reciprocating engine, thereby reducing structural fatigue to increase engine durability and longevity. The reinforcement plate also maintains a more precis... | 08/16/2005 |
| 6926444 | Main bearing cap for internal combustion engines A main bearing cap (20) for an internal combustion engine consists of an aluminum alloy with an iron alloy core (10). The cap has a supporting surface (22) for a bearing shell. The iron alloy core has a central portion (13) with two space... | 08/09/2005 |
| 6918369 | Lubrication system for engine A marine engine incorporates an engine body defining first and second bearing sections. A crankshaft is journaled at the first bearing section for rotation about a first axis extending generally vertically. A balancer shaft unit is journaled at the second bearing se... | 07/19/2005 |
| 6904887 | Engine accessory drive system An internal combustion engine providing a strong mounting attachment for an engine accessory component on a light weight element of the engine body that is provided with a reinforcement for another primary purpose. ... | 06/14/2005 |
| 6684845 | Ladder frame of an engine An engine ladder frame with minimized noise and vibrations, improved stability of the oil filter, and reduced air in the oil flowing from the cylinder head to the oil pan. Inside an elongate rectangular outer block, three partitioning walls are formed equ... | 02/03/2004 |
| 6647944 | Cylinder block structure A cylinder block structure includes a plurality of mounting bolts extending through a plurality of bearing caps and through a crank case to fix a crank shaft in a cylinder block. During operation, the crank shaft transmits detrimental horizontal stress to... | 11/18/2003 |
| 6484684 | Crankshaft rotational support arrangement for an internal combustion engine A crankshaft rotational support for an internal combustion engine having a crankshaft supported by rotational support elements spaced from one another along the longitudinal direction of the internal combustion engine is provided. The crankshaft rotationa... | 11/26/2002 |
| 6374794 | Power unit including an oil pan separation piece An assembly for a power plant for a motor vehicle which includes longitudinally, from front to rear, a thermal engine and a transmission wherein the rear side of a longitudinal block of the thermal engine is rigidly connected to the front side of a housin... | 04/23/2002 |
| 6357412 | Crankcase made of light metal for an internal combustion engine The description relates to a crankcase made of light metal for an internal combustion engine with a parting plane (4) running through the crankshaft axis between a case upper part and a case bottom part, whose bearing walls (2), which connect the case out... | 03/19/2002 |
| 6308680 | Engine block crankshaft bearings An internal combustion engine comprises an aluminum alloy engine block housing pistons in cylinders and having a lower face including an upper semi-circular bearing surface. A lower bearing support has a lower semi-circular bearing surface to complement t... | 10/30/2001 |
| 6253726 | Crankcase for a combustion engine A crankcase (1) is described for a combustion engine with cylinders arranged in V formation that is divided into two parts (2, 3) along a plane of separation (4) going through the axis of the crankshaft (6), such halves connected with each other by means ... | 07/03/2001 |
| 6253727 | Oil passage structure for returning oil in an engine To deem a dedicated oil passage unnecessary and therefore make an engine equipped with a plurality of cylinder bores with substantially horizontal axes and provided with transmission mechanisms between a camshaft and crankshaft within a valve chamber more... | 07/03/2001 |
| 6244238 | Crankcase for a multiple cylinder engine A journal wall of an in-line four cylinder engine is provided with an oilway and bolt fastening sections. A center of a breathing hole punched in the journal wall avoids the oilway and the bolt fastening sections by being offset by a predetermined amount ... | 06/12/2001 |
| 6237558 | Crankcase for an internal combustion engine A crankcase for an internal combustion engine, has main bearing walls including main bearing blocks, and side walls with skirtlike extensions, the side of each main bearing block being at least partially separated from the inner surfaces of the side walls... | 05/29/2001 |
| 6192852 | Crankcase for an internal-combustion engine A crankcase for an internal-combustion engine is constructed with a crankcase top and bottom sections made of a light-metal material. Bearing points for a crankshaft and at least one cylinder space are provided. In the region of the bearing points for the... | 02/27/2001 |
| 6186111 | Support arrangement for the crankcase of a reciprocating piston internal combustion engine A support arrangement for the open area of a crankcase facing an oil pan in an internal combustion engine has a plate-like component which is attached to the crankcase walls by lugs, thereby reinforcing the housing, and contains integral bearings rotatabl... | 02/13/2001 |
