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WO/2002/027176A1 |
The present invention relates to improvements in Stirling engines having flexible diaphragms and more particularly to a clamping arrangement for such a diaphragm. The invention therefore provides a Stirling engine having a displacer pist...
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WO2001061219A9 |
A remote diaphragm assembly (10) for use in the process control industry is disclosed which can be quickly assembled and disassembled by press-fitting a diaphragm housing (34) and an adapter housing (36) together. The diaphragm housing (...
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WO/2002/002953A1 |
A boot band (10), comprising locking holes (40) formed in an outside overlapped part (21) of a band body (11), locking claws (41) formed on an inside overlapped part (22), and an ear part (30) capable of plastically deforming the band bo...
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WO/2001/088650A1 |
The invention relates to a device (10) for controlling the pressure in a hydraulic circuit. Said device comprises an electrically driven pressure control valve (12), a collecting element (14) containing the pressure control valve (12), a...
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WO/2001/088399A1 |
The invention relates to rolled bellows, especially for sealing off a pivot joint, comprising a first collar (25) having a larger diameter for fastening it, for example, on a joint outer section (12), and a second collar (26) having a sm...
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WO/2001/083187A1 |
A process for making a plastic tube having a variable diameter comprises the following steps. A plastic is obtained. The plastic is fed into an extruder die (216). The plastic is extruded as a tubular molten plastic stream (262) into a m...
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WO/2001/084021A1 |
A boot seal (12) is configured in the form of a sleeve to extend between and around the vehicle relatively movable parts. The sleeve has a laminate wall which comprises at least two layers of thermoplastic elastomeric material (20, 22) w...
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WO/2001/076926A1 |
The invention relates to a vibration damper for a hydraulic vehicle brake unit, comprising a membrane (5a), facing the hydraulic medium for transmission of the braking force, fixed on the very edge thereof to a support body (1), which fu...
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WO/2001/075284A1 |
A piston (11) incorporates spring means acting, in use, between the piston and an associated connecting rod so as to bias the connecting rod away from the crown (112) of the piston. The spring means (117) is integrally formed with the pi...
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WO/2001/074617A2 |
A diaphragm for an integrated pressure management system manages pressure and detects leaks in a fuel system. The integrated pressure management system also performs a leak diagnostic for the headspace in a fuel tank, a canister that col...
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WO/2001/072472A2 |
A carrier head (100) for a chemical mechanical polishing apparatus includes a flexible membrane (150) that applies a load to a substrate. The substrate backing assembly (112) includes an internal membrane (150), an external membrane (152...
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WO/2001/065153A1 |
A seal for sealing an interface between a piston shaft (4) of an expander mechanism for a disk brake and an inner surface of a housing (5) of the brake in which the shaft is received is described. The seal comprises: a laterally outwardl...
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WO2000079154B1 |
The invention relates to a structural alignment of membranes for the improved functional process during the compensation of compressing or stretching. The membrane is provided with a profile (2) whose apex line (8), in the progression th...
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WO/2001/040651A1 |
A fluid device with bellows capable of preventing sediment from stagnating and accumulating in a telescoping portion of a bellows when a transfer liquid containing sediment such as slurry is used, wherein a suction port (18) and a delive...
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WO/2001/021240A1 |
A supply valve (28) for a pneumatically-operated gas demand apparatus (10) or an intermittent gas delivery device (110) disposed between a source of pressurized respiratory gas (14) and a patient. The valve includes first and second hous...
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WO/2001/018443A1 |
The invention relates to a device for reducing pressure pulsations caused in a hydraulic system, especially by a pump. Said device comprises a compensation volume (41) with a displaceable wall or membrane (39) that is located in said vol...
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WO/2001/014744A1 |
The invention relates to a membrane pump (104) comprising a working membrane (1) that delimits a delivery chamber (2), and comprising an additional membrane (3) that is arranged on the side of the working membrane (1) facing away from th...
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WO/2001/011253A1 |
A flexible boot which utilizes a thermoplastic elastomer resin as its base resin material and comprises a large bore part and a small bore part and, connecting the bore parts, a bellow part, characterized in that the thermoplastic elasto...
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WO/2001/009541A2 |
The invention relates to a method for tightly fixing a piece of flexible tubing consisting of an elastomer material to a connecting part, especially for fixing air bellows for pneumatic springs to a connecting part by means of a clamping...
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WO/2001/006143A1 |
The invention concerns a bellows (7) designed to be coupled by a front end region (30) to a first rotary member (8) and by a rear end region (34) to a second rotary member (6). The bellows rear end region (34) is provided, over at least ...
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WO/2001/006142A1 |
The invention concerns a rotary joint comprising first and second rotary members, a bellows (7) coupled by a front end region to the first rotary member and by a rear end region (33) to the second rotary member (6), and means for maintai...
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WO/2001/006153A1 |
The invention concerns an annular elastic sealing lining (7) comprising a coil spring in acting as a return spring (11) to press its contact surface (9) against the sealing surface (10) of an element to be sealed, in particular a cylindr...
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WO/2001/000963A1 |
A fabric reinforced, resilient brake diaphragm (37) for use in a fluid pressure operated braking system (11) is provided. The diaphragm (37) comprises an annular outer flange (39) for engaging the housing of the braking system, a bottom ...
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WO/2000/079155A1 |
Protective sleeve for power transfer joints, such as connections on cars and other vehicles, with a generally cylindrical main part (13), particularly with an undulated wall, with cylindrical end sections provided for being clamped aroun...
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WO/2000/065254A1 |
A method of installing a gaiter (10) around a joint defined between joint members of joints of vehicles, such as steering joints and constant velocity joints. The method provides a range of gaiters for use with a range of joints of diffe...
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WO/2000/048238A1 |
The invention concerns a multilayer structure with controlled internal stresses comprising successively: a first main layer (110a), at least a first stress-adapting layer (130) in contact with the first main layer, at least a second stre...
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WO/2000/028244A1 |
A protective gaiter (10) fits around a lubricated joint between joint members, the gaiter (10) comprising a generally cylindrical flexible tubular body having first and second end portions (14, 16) each having a respective annular fittin...
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WO/2000/028228A1 |
The invention concerns a protective sheath consisting of a conical sleeve with bellows (3) made of pliable elastomer comprising, at least at one of its ends incorporated clamping means made of elastomer, moulded in one single operation w...
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WO/2000/020772A1 |
The invention relates to an arrangement for covering a shaft-type mechanism and/or a joint-type connection of two shafts or a steering gear, comprising a bellows-type element (10). Said bellows-type element (10) has a collar-type essenti...
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WO/2000/020773A1 |
A bellows-type cover (10) into which a clamping member (40) is adapted to be securely integrated to form a pre-assembled unit; a groove-shaped recess near one end of the bellows-type cover between first (20) and second (22) retaining mea...
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WO/2000/012574A1 |
A fluorocarbon polymer which includes: repeating units derived from one or more perfluorinated ethers of the formula CF¿2?=CFO-(CF¿2?)¿m?-(O(CF¿2?)¿p?)¿n?-OR¿f??1¿ wherein R¿f??1¿ is a perfluorinated (C¿1?-C¿4?) alkyl group, ...
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WO/2000/008361A1 |
Split boots, wherein projected parts (16, 76) formed at the divided end parts (14, 74) of boots (1, 61) are connected temporarily and then connected by welding, fusion, or adhesion to recessed parts (17, 77) formed at the other divided e...
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WO/2000/004852A1 |
The invention relates to a worm-like operating mechanism (1) which can be both pivoted and stretched in all directions. It consists of at least three actuators (2) which each consist of a series of pockets or cushions positioned one behi...
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WO/1999/063203A1 |
The present invention provides a brake actuator assembly including a housing (30) having a generally radial annular flange portion (41) and a cover (32) having a generally radial annular flange portion generally co-axially aligned with t...
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WO/1999/034122A1 |
The invention relates to a bellows seal for pivot joints, wherein a first end of the bellows (3) is tightly and rigidly connected to the joint housing (1). The second end of the bellow (3) tightly and annularly surrounds a tappet (2) and...
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WO/1999/025997A1 |
The invention relates to an impregnation agent for bellows consisting of a thermoplastic or elastomer material for covering a joint space of a joint, said joint space being filled with lubricant, especially a highly flexible rotating joi...
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WO/1999/024729A1 |
The invention concerns a protective bellow for drive shaft articulated joint, consisting of a tapered bellow whereof the end with the small diameter (2) is expansible and has a saw-toothed section axially extended by folds (8) so as to e...
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WO/1999/014073A1 |
The invention relates to a bellow (10) for an automobile seat frame which has alternating folding peaks (16, 28, 20) and folding troughs (22). In order to prevent an unwanted sagging of the bellow (10), at least one middle folding peak (...
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WO/1999/000617A1 |
The invention relates to an elastic sealing element in the form of a bellow. Said sealing element can be used to seal the contact area between at least two components which can move in relation to each other. The inventive device has low...
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WO/1998/055782A1 |
The invention relates to a diaphragm which has multidirectional compression compensation so that it functions more efficiently. Said diaphragm has a profile (5) which is oriented in neither a radial nor a peripheral direction, especially...
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WO/1998/055781A1 |
The invention relates to a diaphragm consisting of a rigid, slightly extendible material, comprising an outer edge which can be braced and a centre which can be moved in relation to said edge. A profile with a wavy, folded or grooved str...
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WO/1998/053227A1 |
The invention relates to a protective cover for swiveling parts consisting of a convoluted rubber gaiter (2) with a longitudinal slit (5), the edges of which can be connected via a female and a male connection section. Said gaiter has en...
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WO/1998/038435A1 |
The invention relates to rolled bellows to seal a pivot joint, comprising a first collar with a larger diameter for fixing onto an outer pivot joint portion, a second collar with a smaller diameter for fixing onto the shaft of the inner ...
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WO/1998/027370A1 |
Disclosed is a tight plastic part, especially a plastic casing, presenting an aperture for ventilation (11) to enable air exchange between the part inside and its environment (13), as well as a gas permeable membrane (14) covering the ap...
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WO/1997/049543A1 |
Non-planar thermoplastic article having a flexible portion suitable for use in an aggressive chemical environment, where the flexible portion is an irradiated thermoplastic consisting of polyethylene, ethylene methyl acrylate, ethylene e...
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WO/1997/046618A1 |
The invention relates to a copolyether ester composition for products that show particularly good aging behaviour when exposed to dynamic deformation at elevated temperatures and in contact with greases. The copolyether ester composition...
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WO/1997/044601A1 |
An improved seal or boot (26) for inhibiting contaminants from interfering with operation of a mechanism (10) having two flexibly interconnected components which axially extend from opposite ends of the seal (26). The seal is formed as a...
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WO/1997/026473A1 |
A protective gaiter fits around a lubricated joint such as a vehicle constant velocity joint. The gaiter is in the form of a generally conical rubber tube (10) having stepped configurations at its wider end so that it can be cut down to ...
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WO/1997/018408A2 |
A sandwich bellows construction including three ply members has been provided. In a preferred embodiment of the invention, the outer plies (22, 26) are metal, while the inner ply (30) is an elastomer. In one preferred embodiment of the i...
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WO/1997/006349A1 |
An improved spring brake actuator includes a dome (42) extending into the service chamber (36) from the center housing (32). The spring chamber push rod (22) is formed with a plate (40) having a cross section corresponding to the dome (4...
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