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WO/1999/051374A1 |
An assembled rotatable shaft arrangement (110) (figure 2), particularly a camshaft comprising a plurality of cam lobes (111¿i?) located on, and by, an expanded tubular shaft (112), is made by defining shaft apertures (121¿i?) in the ca...
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WO/1999/047810A1 |
A combination of a shim and a cam used for, especially, a part of a reciprocating mechanical mechanism exposed to severe sliding conditions, not only capable of obtaining excellent sliding characteristics by reducing frictional work duri...
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WO/1999/035373A1 |
To produce a cam shaft (1) assembly positions for clamping elements are defined on a support rod (2). The axial length of the support rod (2) between the assembly positions of the clamping elements is shorter than the axial length of the...
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WO/1999/031770A1 |
An anti-overloading device for use in a restraint-camming apparatus in which the apparatus includes a linear guide for guiding an associated operating member in reciprocating movement and a restraint cam for reciprocating the operating m...
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WO/1999/020414A1 |
The invention relates to a method for producing a shaft from a tube piece (R), said shaft comprising at least one dome-shaped component, such as a lifting bearing, a cam (N1, N2) or a bearing shoulder. The method facilitates an economica...
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WO/1999/000614A1 |
A gear shifting drum (2) for the gear shifting device of a motor vehicle variable-speed gearbox has a curved path (11a to 11c) for guiding a catch (13) of the gearshift fork (12a to 12c) and the gearshift forks (12a to 12c) are directly ...
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WO/1998/042952A1 |
The invention relates to a simplified, economical and rapid method for the production of a camshaft. In accordance with the invention, functional elements (2) consisting of a plurality of flat material layers (3) are deposited on a base ...
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WO/1998/026161A2 |
The invention relates to a camshaft for an internal combustion engine, having a carrier wave (1) and radial cam areas (2), in which only the eccentric valve control surface (4) is included on a cam element (5) as opposed to the closing p...
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WO/1997/049512A1 |
To attach parts such as cams (2), gear wheels, disks, etc. to a shaft (1), in a rotationally fixed manner and at a certain angle if necessary, the invention proposes providing the boring (3) of at least the part to be attached and also t...
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WO/1997/037155A1 |
The present invention is for a means for transmission of force whereby linear movement is transferred into rotating movement or reverse. The invention is primarily intended to be used by combustion engines. The invention is for a means t...
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WO/1997/003116A1 |
Polyimide compositions can be substantially improved by incorporating in the composition an inorganic, low hardness, thermally stable, sheet silicate, such as muscovite mica, talc, and kaolinite, which results in improved wear resistance...
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WO/1996/030675A1 |
Disclosed is a controller drum (1) made of plastic, the individual elements (3) of which have lateral faces (4, 5). These lateral faces (4, 5) form matching pairs, each of which establishes an engagement slot (6). The individual elements...
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WO/1996/027460A1 |
The invention concerns a manufacturing process for producing the cam whose cam curvature (32, 37) is produced with finished size by cold forming, i.e. the cam curvature is produced true to gauge without the customary cam grinding, after ...
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WO/1996/027459A1 |
In machines for reshaping cylindrical metal bodies, wherein the machines include pairs of opposite, axially aligned ram assemblies (22a, 22b), cams (34a, 34b) are provided for axially positioning tooling rams (24a, 24b) slidably supporte...
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WO/1996/027076A1 |
The invention concerns a multiple cam (5, 6) which can be used in a modular manner as a structural component for joining assembled camshafts. The multiple cam is produced in a plurality of stages from a sheet metal blank (1) by profiling...
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WO/1996/027077A1 |
A hollow shaft (1) with external functional elements is assembled by radial expansion in given areas in the axial direction. The inner shaft tube (3) in the sections to be expanded is thus plastically deformed, and the external parts in ...
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WO/1996/019685A1 |
The proposed method of producing a composite camshaft, comprising a carrier pipe (6) and functional elements (4) mounted thereon, involves the following steps: a plurality of longitudinal splines (5) which taper towards points are first ...
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WO/1995/035434A1 |
A camshaft (10) is assembled from a shaft (12) and cam elements (11). The shaft has projections (22) at fixing points (14) for the cam elements (11) and the elements have internal projections (32). The projections (22 and 32) are arrange...
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WO/1995/023911A1 |
A hollow body with at least two oval sleeves and an annular connecting journal between each of the sleeves. The outer peripheral surfaces of the sleeves project beyond the connecting journals at least in the region of the smaller radius....
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WO/1995/018917A1 |
A variable timing camshaft has concentric shafts for mechanically varying the valve timing of internal combustion engines and motors and air compressors and motors. By altering the rotational position of the cam lobes attached to each sh...
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WO/1995/014851A1 |
The invention relates to a hollow camshaft consisting of a cold-formable, heat-treatable metal or metal alloy or plastic and having fibres running parallel to the outer contours of the camshaft, and a process for its production, comprisi...
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WO/1994/019586A1 |
A camshaft assembly comprising a shaft (14), a lobe (16), a gear (18), and a boss portion (20) is disclosed. The lobe (16) includes a first powdered metal and has a first density, while the gear (18) includes a second powdered metal and ...
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WO/1994/019798A1 |
This invention relates to a tape player which is directed to simplify mechanical portions, to reduce the number of components and eventually, to make mechanical assembly efficient and to make an apparatus compact. This tape player includ...
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WO/1994/015075A1 |
The device comprises a type of cam with deformable and/or displaceable profile using an incompressible pressurized fluid (liquid) with calibrated channels and/or throttling passages, which allows the advance or delay in timing of the ope...
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WO/1994/001658A1 |
A camshaft and method of manufacturing thereof wherein the camshaft has a plurality of thick wall sections (16) and a plurality of thin wall sections (18). Axially spaced cams (10) are mounted on a hollow tube (13) about the thick wall s...
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WO/1993/022080A1 |
In a transfer feeder wherein feed levers (4) are oscillated via cam followers (5) by feed cams (2) provided on a cam shaft (1) adapted to be rotated by the power taken out from a transfer press, to drive transfer bars in the feed directi...
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WO/1993/010336A1 |
A disassemblable camshaft for internal combustion engines comprises: a cylindrical shaft (1) which can be pushed into the bearing bores and into the cams (3) located therebetween in a single operation thus allowing small diameter one-pie...
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WO/1993/005908A1 |
A method of producing a chilled iron camshaft from a chromium containing cast iron is described. The cast iron material contains between 0.5 wt % to 1.2 wt % of chromium, the camshaft having a white iron structure adjacent chill inserts ...
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WO/1993/005323A1 |
The specification discloses a cam shaft in which a shaft member (1) is formed by drawing a length of tubing over a mandrel and through a die. A second length of tubing is drawn to a larger diameter and is then shaped to form cam members ...
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WO/1993/003261A1 |
The device according to the present invention comprises a kind of cam with a shape being deformable and/or removable by means of a fluid under pressure, that allows the variation in advance or in delay of the opening and/or of the closin...
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WO/1993/003295A1 |
A cam assembly and method for providing a substantially constant load to a motor that drives the cam assembly. A torque compensated cam assembly (142, 300) includes a plurality of tracks (140, 150, 152/310, 312, 314) that are profiled wi...
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WO/1992/002739A1 |
Assembly of a cylindrical body (3) manufactured to finished dimensions, particularly a shaft, with at least one component (4-11) manufactured to finished dimensions and mounted around the cylindrical body (3), in particular a cam. The in...
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WO/1991/018189A1 |
Tappets (10; 43; 100; 160) having a cylindrical body (12) are provided with friction reducing bearing portions (14; 90; 126, 128; 162, 164, 166) which project radially further than the remainder of the body (12). Each bearing portion has...
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WO/1990/013761A1 |
Described is a component, in particular a camshaft for reciprocating machinery, with a rod-shaped body (1) and a least one element (3) joined to the body (1) by means of a weld. The rod-shaped body (1) has a discontinuity of different cr...
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WO/1990/012226A1 |
A plastic stabilized composite camshaft and method. In one version, a hollow polished tube (75) is positioned within appropriately aligned and fixtured annular cam elements (73) having interior protrusions (79) that increase in size towa...
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WO/1990/003249A1 |
The invention relates to a method for machining parts having a non circular cross-section. A blank is rotated about an axis, and is attacked with a cutting tool to which cyclic axial and/or radial motions are imparted synchroneously with...
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WO/1990/000689A1 |
A cam follower assembly is provided which has a bearing outer ring (13) on an inner cylinder (23), with two rows of cylindrical rollers (17) therebetween. The rollers are held in place by inturned flanges (14, 15) at ends of the bearing ...
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WO/1989/002997A1 |
A plastic stabilized composite camshaft and method is described in which a hollow polished tube (22) is positioned within appropriately aligned and fixtured annular cam elements (28, 30) and a flowable, hardenable material (33) is inject...
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WO/1989/001581A1 |
A hollow shaft comprises torque-transmitting constructional elements (14) with an opening for placing them on the tube (12), such as gear wheels, cams, or similar. The connection between tube and constructional element is established by ...
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WO/1988/008934A1 |
A hollow shaft comprises torque-transmitting components such as toothed wheels, cams, and similar. At least one component (20) has an oval opening which enables it to be applied over an outlet tube (12) having a wall of essentially the s...
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WO/1988/006248A1 |
A hollow shaft with torque-transmitting structural components, such as gear wheels, curves, cams or the like, and possibly auxiliary form components, such as bearings, stopping faces, hexagonal or circular contours or the like, comprisin...
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WO/1988/004716A1 |
A drive suitable for a door or gate operator mechanism has a motor (1) and a gear box (5). The gear box (5) has a drive disengaging means (29) therein which can be pulled by a chord (7) to effect drive engagement of the motor (1) with th...
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WO/1988/003447A1 |
A method and apparatus for hydraulic deformation of a tubular camshaft (13) to lock cam bodies (133), bearing collars (131) and (132), etc. thereon comprises a die cavity receiving the camshaft components and wherein hydraulic fluid is i...
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WO/1988/000643A1 |
A camshaft for an internal combustion engine is produced as a tubular fabrication by assembling a plurality of initially circular cam rings (12) on a central tubular member (10), deforming the cam rings to a desired cam profile by pressi...
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WO/1987/004757A1 |
A cam arrangement enabling the profile of a valve event to be varied and high-lift, short-duration valve events to be achieved employs an annular cam (5) concentric with an axis (2) of a camshaft (1). The cam (5) is angularly adjustable ...
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WO/1985/001557A1 |
A hollow portion of a cam shaft (1) contains an elastic packing member (4) which has projections (6) formed on the outer periphery thereof. A lubricating oil passage is defined between the inner peripheral surface of the hollow portion o...
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WO/1985/001556A1 |
A built-up cam shaft is formed by brazing a journal (1) to a cam shaft (5). After a brazing material (4) is fitted into an annular groove (3) formed in the center of the inner peripheral surface of a shaft-receiving hole (2) in the journ...
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WO/1985/001092A1 |
A conveyor cam adjusting apparatus permitting adjustment of the radial position of each cam (30) on a drive shaft (32) while it is rotating. A plurality of individual electric motors (44) are mounted for rotation about a common drive sha...
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WO/1985/000865A1 |
A cam shaft is formed by molding thereonto a green compact which will form an assembly component (20) made of a sintered alloy when subjected to liquid-phase sintering. Since notches (22) are formed in both side surface portions of the g...
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WO/1985/000863A1 |
A built-up cam shaft in which the outer peripheral surface of a cam shaft (13) is provided with a groove (14) extending in the axial direction thereof, and an assembly component (10) is connected to the cam shaft (13) by liquid-phase sin...
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