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Class 384/433 - Engine housing closure


Subclass of Class 384 - Bearings
Definition: Subject matter wherein the block and cap are designed to
No. of patents: 23
Last issue date: 01/29/2008


NumberTitleIssue Date
7322750Locking engine bearing splay cap
A locking engine splay cap apparatus and method of use and manufacture comprising a splay cap and an engine block base having uniquely positioned and formed slots and protrusions which integrally mate. The mating provides optimum register of the internal combustion ...
01/29/2008
7314315Gearbox for cold metal cutting machine
Improved serviceability of cold metal cutting machines is accomplished in a modified gearbox structure enabling several annular components that are conventionally attached by press-fit to be attached instead by slide-fit for easy removal and replacement, eliminating...
01/01/2008
7293756Engine fastening structure
An engine fastening structure in which a crankcase and a cylinder body are provided as separate units, so that the crankcase and the cylinder body are connected together with connecting bolts, characterized in that the crankcase 2 is constructed in such a man...
11/13/2007
7284528Crank 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
7152568Internal 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
7104694Bearing apparatus for camshaft in engine
A bearing cap is bolted to the cylinder head by a cap bolt to fix relative position of the camshaft to the cylinder head. An oil escape bore that connects a cap bolt insert bore formed in the bearing cap through a chain casing to an oil pan is formed in the bearing ...
09/12/2006
7093980Bearing structure for camshaft
The present invention is directed to a bearing structure for a camshaft to prevent obliquely wiping off the oil from the surface of the camshaft caused by a knife edge. A lower journal (3) for supporting the camshaft (2) is formed with a counterbore (
08/22/2006
7047928Method 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
6984070Crankshaft bearing
In a bearing metal fitted to a journal bearing portion where a center of a bearing metal fitting hole is deviated from a reference straight line in a direction orthogonal to the reference straight line at a time of mounting a cylinder head, a thickness, in a directi...
01/10/2006
6942391Crankshaft supporter
A crankshaft supporter having a bearing holder molded in aluminum alloy and having a bearing for supporting a crankshaft. A preform member is cast inside of the aluminum alloy. A screw hole having one opened end is formed in an outer surface of the bearing holder. A...
09/13/2005
6926444Main 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
6907660Method of mounting a camshaft on the cylinder head of an internal combustion engine
In an arrangement and method for mounting a camshaft onto a cylinder head of an internal combustion engine by camshaft bearings disposed on the cylinder head of the engine camshaft bearing by support seats which are formed integrally with the cylinder head and beari...
06/21/2005
6786643Cam bracket
A cam bracket is disclosed for lubricating the vicinity of a thrust plate sufficiently even during starting of the engine. In the cam bracket adapted to support a camshaft for rotation in cooperation with a cylinder head and provided with a support portion having a ...
09/07/2004
6666582Siamese bolt holes in powder metal components
A main bearing cap (20) has an hourglass shaped slot (22) in each leg (14)....
12/23/2003
6655843Bearing cap structure for engine
A core member has a core member side journal portion and a core member bolt hole on both sides of the core member side journal portion and is provided in a separation state from a surface of a casting mold through a cast-off pin including a step portion i...
12/02/2003
6471406Side-bolt bearing caps
A powder metal main bearing cap has integral dowels at its adjoining face around bolt holes and tooth projections surrounding the dowels. The dowels are force fit into counterbores in the engine block and the teeth bite into the metal of the block around ...
10/29/2002
6422755Precisely repositioning powder metal components
A sintered powder metal (P/M) component has an integrally formed tapered boss surrounding its bolt hole which extends into counterbores in a component to which it is assembled and produces plastic conformance between the boss and the counterbore when the ...
07/23/2002
6076971Engine block bearing saddle reinforcing inserts
A reinforcing insert for an engine block formed of an engine block material is provided which is positioned in the bearing saddle area of the block for increasing the strength and stiffness of the bearing saddle area to ensure a secure connection of the m...
06/20/2000
5816710Engine block bearing saddle reinforcing inserts
A reinforcing insert for an engine block formed of a lightweight material is provided which is positioned in the bearing saddle area of the block for increasing the strength and stiffness of the bearing saddle area to ensure a secure connection of the mai...
10/06/1998
5203854Main bearing cap for internal combustion engines
A main bearing cap for an internal combustion engine consists of an aluminum alloy with a steel core (6). The cap has a supporting surface (2) for the bearing shell (3). The supporting surface is the outer surface of a 3 mm thick aluminum layer (10) outsi...
04/20/1993
4730833Large diameter dirt and oil seal for a traction motor gearcase
For sealing the axle opening in a traction motor gearcase on the motor side thereof, an annular member of elastomeric material has a sleeve portion that is adapted to be clamped to a motor-supporting axle bearing thrust flange and a radially outwardly pro...
03/15/1988
4693216Crankshaft bearings for internal-combustion engines
These crankshaft bearings consist of a light-metal alloy and are formed by a bearing section of a crankcase and a bearing cap. In order to avoid a bearing clearance causing noise, a core made of iron metal is poured at least into the bearing cap, said cor...
09/15/1987
4423667Bearing
A sleeve-type bearing includes an outer sleeve, an inner sleeve, and an oscillation-damping material fixedly disposed between the outer and inner sleeves. It is preferable that such a bearing is used to support a crankshaft of an automotive engine....
01/03/1984
 
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