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WO/2006/119730A2 |
A three-dimensional cam is defined by the peripheral surface (5) of a rotation body (4) which contacts the cam across its entire length (11) and whose rotational axis (6) intersects the rotational axis (3) of the cam when the circular cy...
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WO/2006/108342A1 |
A grooved cam includes an upper cam (3A), a lower cam (3B) and a bush (8), wherein one end of the upper cam (3A) and the lower cam (3B) is a plane which is perpendicular to the axis thereof and the other end is formed to a curved surface...
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WO/2006/105858A1 |
The invention relates to a cam (1) which is constituted of at least two separately produced individual components from different materials and/or having different material properties. One of the individual components is configured as a p...
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WO/2006/103012A1 |
The invention relates to a monolithic, hollow camshaft for a piston stoke machine, in particular for an internal combustion engine, comprising at least one cam and at least one shaft section which is adjacent to the shaft. Said cam compr...
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WO/2006/088144A1 |
A shaft device has a shaft (1) and a rolling bearing (3) for rotatably supporting the shaft (1). The shaft (1) is hollow, and a heterogeneous member (25) formed from a material different from that of the shaft (1) is provided in a hollow...
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WO/2006/077913A1 |
A rotary assembly and a method of manufacturing the rotary assembly. In the rotary assembly, an inner hole (31) for inserting a drive shaft (2) therein is formed in the cam piece (3) of a camshaft (1), and a plurality of grooves (34) ext...
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WO/2006/077914A1 |
A rotary assembly, wherein the cam piece (3) of a camshaft (1) comprises a circular base circle part (31) surrounding a drive shaft (2) in a mounted state. A pair of sleeve parts (33) extending from both end faces of the base circle part...
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WO/2006/074498A2 |
The invention relates to a camshaft (1) for an internal combustion piston engine, in particular for a research internal combustion engine, which is composed of several parts (2, 3, 4, 5). To adjust said camshaft in the simplest manner, s...
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WO/2006/072289A1 |
The invention relates to cams for constructed camshafts, said cams formed from at least one profiled sheet metal strip (2) produced by rolling and having a thickness which varies in the longitudinal direction thereof and two end regions ...
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WO/2005/115658A1 |
The invention relates to a camshaft (1) and a method for the production thereof. Said camshaft comprises a pipe (2) from which at least one cam (3) is formed. The cam (3) is provided with a wear-resistant layer (4). In order to ensure op...
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WO/2005/095810A1 |
A closing structure for a lubricant supply path, in which, in supplying a lubricant in the supply path formed in a bearing product, a plug closing one end of the supply path does not come out even if the pressure in the supply path rises...
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WO/2005/090756A1 |
The invention relates to a built multiple cam which can be produced at low cost and which can be used in a flexible manner and which requires a small amount of construction space in an axial direction. The built multiple cam comprises th...
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WO/2005/085604A1 |
A method of manufacturing an exterior part for an assembly type camshaft, wherein heat is rapidly removed from a cam piece constitution body (6) by a chiller (4) immediately after a molten metal is filled, and the constitution body is ch...
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WO/2005/080828A1 |
A rolling sliding part, wherein the surface of a roller (8) forming a cam follower device is finished by barrel processing. When the highest position of minute recesses and projections on the surface is considered to be the outermost sur...
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WO/2005/075143A1 |
The invention relates to a camshaft (50) comprising a shaft (13) onto which one or more annular cams (46') are pushed and fixed in a positive and/or non-positive fit. To produce said camshaft in a particularly cost-effective, simple and ...
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WO/2005/066522A1 |
An arrangement and method for producing a camshaft comprised of a shaft (2) and of a number of cams (3, 3', 3'') pressed thereon comprises at least two machining stations (11) of which at least one is provided in the form of burnishing s...
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WO/2005/010226A1 |
A cam lobe member which comprises an iron based sintered alloy which contains 0.3 to 5.0 mass % of Ni, 0.5 to 1.2 mass % of C, 0.02 to 0.3 mass % of at least one of B and P, and the balanced amount of inevitable impurities, has a hardnes...
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WO/2004/103689A1 |
The invention relates to an installation which is used for the production of a solid product from a powdered material. The inventive installation comprises: powdered material-supply means; a matrix (7) for receiving the material and form...
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WO/2004/097219A1 |
A cam (24) for use in a fuel pump, the fuel pump having a pump filling phase and a pump delivery phase, wherein the cam (24) comprises a cam surface (18) provided with a portion corresponding to the pump filling phase and a portion corre...
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WO/2004/091426A2 |
The present invention is a mechanism for releasing a positioning device from a locked position. The positioning device has a moveable wedge urged against a rotatable caromed member which permits rotatable travel of the caromed member in ...
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WO/2004/056553A1 |
The invention relates to a method for producing a shaft, particularly a camshaft, crankshaft or transmission shaft by producing a tubular base body (1) from a carbon fiber composite material (CFK) and by indirectly or directly placing it...
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WO/2004/031429A1 |
A high-precision sintered cam lobe material that while having high anti-wear and anti-pitching properties, even when it is intended to fabricate a cam lobe of complex configuration, realizes high dimensional accuracy and unnecessitates g...
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WO/2004/025141A1 |
A snail cam wherein the working surface (101) terminates in a stop (103) positioned at or beyond the position of maximum lift of the cam (100).
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WO/2004/020558A1 |
A lubricating oil composition for an internal combustion engine, which comprises a base oil for a lubricating oil comprising a mineral oil and/or a synthetic oil, (A) 0.001 to 0.5 mass % of an ester of boric acid in terms of boron elemen...
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WO/2004/013507A1 |
The invention relates to a hub (1) with a hub opening (2) in the front face (8), for press-fitting to a base body, whereby the hub (1) comprises a insertion region (A2), tapering in the pressing direction, characterised in that a cylindr...
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WO/2004/008000A1 |
The invention is an improved locked-center idler (10) of the type having a pulley (18) supported by a bearing (16). The bearing is mounted upon a tension adjusting member (12). It is improved by the tension adjusting member being in comm...
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WO/2004/001199A2 |
A camshaft assembly with one or several slideable camlobes, where each slideable cam (707) is capable of latching in 2 positions perpendicular to the main axis of the camshaft, so the slideable camlobe is either latched to provide the co...
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WO/2003/093654A1 |
In order to significantly reduce the weight of a single-piece cam (2) of a built camshaft, the cam (2), seen from the semi-cross-sectional point of view, comprises a T-shaped cross section having a narrow bridge (4) that extends towards ...
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WO/2003/050438A1 |
The invention concerns a cam-operated guiding device for controlling a related movement of a member (9) which is moreover continuously displaced, the device comprising two mutually transversely offset parallel cams with which co-operate ...
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WO/2003/008842A1 |
The invention relates to a cam (3) comprising a receiving opening for a shaft (2). Said cam consists of at least one bowl-shaped sheet metal part (1), comprising a bottom (4) and at least one outer flanged rim (5) forming the cam track (...
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WO/2002/100588A1 |
The invention relates to a finished camshaft (10) with several cams (1), fixed to a shaft (9), by means of at least one welded joint (11) each, whereby the shaft is made from a first low-carbon steel and the cams comprise a hardened or h...
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WO/2002/098688A1 |
The invention concerns a device for mechanical control of elements (26) of a motor vehicle ventilating equipment comprising at least a circular surface (4) about a rotation shaft (2) of the device and wherein is formed at least a cam gro...
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WO/2002/093040A1 |
The invention relates to a camshaft comprising a tubular shaft (1) and cams (2) which are radially disposed thereon. Said cams (2) respectively engage with the shaft in a perfect fit (1) and the free surface (1.1) of the shaft forms the ...
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WO/2002/072306A1 |
The invention relates to a method for assembling a camshaft by using a shaft (10) and a plurality of cams (21-26) comprising respectively an opening for the shaft. According to the invention, the cams are disposed in a tight manner in a ...
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WO/2002/055257A1 |
The invention relates to a method for producing a built shaft, whereby at least one part (2), particularly a cam, is mounted on the shaft (1), particularly a camshaft, whereby the shaft (1) is inserted into an opening (3) of the part (2)...
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WO/2002/053951A1 |
A device for positioning two plate cams of a metallic cam assembly for use in valve control of an internal combustion engine while deviating the fixing phase. The cam positioning device comprises a first cam positioning jig (24) provided...
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WO/2002/040896A1 |
A metallic cam block of arcuate cam shape used for open/close control of valve in an internal combustion engine. The contour is sheared into an arcuate cam shape by pressing a thick plate metallic working material B by means of a punch (...
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WO/2002/025068A1 |
ABSTRACT A sliding member (12) is disclosed that has superior slidability and durability at a low cost. A top sliding surface (12a) of the sliding member (12) is formed by a nitriding process that creates a compound layer (14) and a diff...
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WO/2002/016741A1 |
The present invention is directed to a modular camshaft assembly having an elongated shaft (10), at least one cam lobe assembly (20), at least one spacer assembly (30), and a cam adapter assembly (50).
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WO/2002/004166A1 |
The invention relates to a method and a device for producing metallic, non-rotationally symmetrical rings with a constant wall thickness over their circumference, in particular cam rings, starting from a hot-rolled pipe. Individual secti...
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WO/2001/098020A1 |
The invention relates to a method for producing cams (1) for a camshaft. The cams are produced by bending together the ends of long profile strips (4) or by bending and putting together several pieces of profile strips in a circumferenti...
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WO/2001/079661A1 |
The cams (2) of the inventive camshaft, which is configured from an assembly of individual parts, are provided with foot strips (2.2, 2.3) that border the shaft (1). Said cams are welded to the shaft along and through these foot strips. ...
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WO/2001/075335A1 |
The common shaft powering (2) the cams (1) has a square cross-section, each cam comprising a circular bore (8) of diameter D wherein is inscribed the square cross-section of the control shaft. Each cam (1) is mounted on the shaft (2) bet...
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WO/2001/012956A1 |
The invention relates to a method for producing an assembled shaft, especially an assembled camshaft, whereby parts, especially cams (2), are placed on a shaft (1) in predetermined axial and peripheral positions and joined by compression...
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WO/2001/012959A1 |
In a cylinder drive, which is particularly suitable for combustion engines of motor vehicles and has at least one powered cam element (2) and a valve control cylinder member (10) which can be moved or rotated by the cam element (2), the ...
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WO/2001/012958A1 |
A valve drive in particular for combustion engines of motor vehicles comprising of a powered cam element (2), a valve control member which can be moved or rotated by the cam element (2), and a flexible enveloping element (4), in which th...
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WO/2000/068596A1 |
The invention relates to a scissors-type lifting table, comprising a scissors-type structure (11) that is located between a support device (14) and a base unit (17). Said scissors have inner limbs (12) and outer limbs (13), which can piv...
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WO/2000/063447A2 |
The invention relates to a method and device for hardening surfaces (10, 11, 12; 39, 40, 41) of a crankshaft (K) or camshaft (N), said surfaces being adjacently arranged in axis direction (A). According to the invention, the surfaces (10...
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WO/1999/065645A1 |
The invention relates to a control cam set with a working cam and a recoil cam, in which no bending moment is generated and in which the working roller and the recoil roller can roll with no play. The rotational masses of said set are mi...
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WO/1999/052373A1 |
The invention concerns firstly a method for making tubular metal parts (10) with cylindrical shape by plastic deformation. Said method is characterised in that it consists in: inserting in a tubular blank (20) a cylindrical mandrel (30) ...
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