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Patent Searching and Data


Matches 201 - 250 out of 3,969

Document Document Title
WO/1992/004562A1
A sealing device placed between a cylinder head (1) and a cylinder (2) and composed of a thin detachable cylindrical lining (7) fitted in a bore formed in a block (4), comprises a raised portion (h) before the cylinder head is adjusted a...  
WO/1991/014117A1
A hollow cylinder characterized by comprising end plates and a hollow cylindrical member (18) formed of a plurality of interengaging modules (1), preferably of extruded metal construction, each extending parallel to the axis of said cyli...  
WO/1991/005187A1
A fastening device for actuating cylinders with longitudinal stringers (2, 3) extending axially along a cylinder tube (1). A fastening yoke, e.g. comprising two halves (6a, 6b), is clampable with the aid of at least one clamping screw (8...  
WO/1990/015237A1
A cylinder liner for the internal-combustion engine, in which a deck of the cylinder block (1) into which a mid-stop liner (4) is inserted is divided into two parts (2, 3) and sealing of cooling water is conducted at points (5, 7 and 6, ...  
WO/1990/006215A1
A perforator has a perforating disk (10) rotatively mounted in an U-shaped support (13). The support (13) can be moved in and out of the path of the parts to be perforated by means of a piston-cylinder (23) unit movable in either directi...  
WO/1989/012769A1
The invention relates to a working cylinder comprising a cylinder unit with a front end part (4), a rear end part (15) and a cylinder tube (12) connecting these end parts, a piston (5) movable in the cylinder tube (12) and a piston rod (...  
WO/1989/009712A1
The hydraulic cylinder includes a main body (10a) defining a central axial bore (10b), in which a piston is mounted for axial movement, and an external appendage (10k) on said main body. The main body (10a) has a cylindrical wall thickne...  
WO/1989/008797A1
A dynamic seal or bearing interface having a surface comprising: a first interface area (24) which, as it wears, provides a first amount of surface roughness which provides asperity tip load support (at 28); and a second interface area (...  
WO/1989/004931A1
A cylinder unit has a cylinder portion (1) in which a piston provided with a piston rod (3) is reciprocally movable under the influence of a pressure medium which is supplied to the cylinder portion (1). In order to provide reliable guid...  
WO/1988/008925A1
The invention relates to cylinder for piston engines and to a process for its production. The cylinder bore is characterized by its surface being aluminum-oxide ceramic of 3.85 - 3.95 g/cm3 density, containing 0.2 - 3.0 mass% calcium- an...  
WO/1988/008097A1
The invention relates to a working cylinder, such as a hydraulic cylinder, which comprises a cylinder part with two end portions (1, 2) and an interconnecting cylinder pipe (3). The object is to provide a new working cylinder which can b...  
WO/1988/001357A1
Closure arrangement, in particular for use in the closing of open ended cylinders. An end cap (20) or plug (50) is used to close the end of a cylinder (10), the cap (20) or plug (50) being locked in place by a flexible locking member (32...  
WO/1987/005076A1
The piston engine consists of a cylinder block with at least one cylinder in which the piston, equipped with at least one piston ring and connected with the crankshaft, is arranged to move up and down. In order to take account, in the en...  
WO/1987/001317A1
A cylinder lining device is produced by isostatic radial compression of a powder into a pressed body and sintering the body. The powder is compressed into the shape of a pressed body unit comprising at least two mutually integral cylinde...  
WO/1986/005550A1
The design and construction of present midsupported liner and multipiece block engines has caused increased manufacturing cost and reduced engine reliability. The present invention overcomes these engine construction problems by using an...  
WO/1986/004113A1
A light metal, e.g. aluminium alloy, cylinder liner (10) is produced by squeeze forming to incorporate woven glass fibre strengthening elements (18) in the metal matrix of the liner during the squeeze forming operation. Said elements (18...  
WO/1986/001434A1
Combined hydrostatic/hydrodynamic bearing system for a grinding apparatus in which the material is ground in a grinding space defined between a pair of relatively rotating grinding members and in which at least one of the grinding member...  
WO/1984/003742A1
Braking and holding device for displaceable rods such as the rods (4) in telescopic positioning and holding devices in which the rod is required to be braked in conjunction with its displacement for the purpose of extending or retracting...  
WO/1984/000591A1
A fluid cylinder in which the cylinder tube (14) has two internal cross-sections, a first cross-section (A) which receives the piston (10) and a second cross-section (B) which receives the piston rod (12) in guiding relationship.  
WO/1984/000585A1
A fluid - operated piston and cylinder device (10, 12) which is inexpensive to manufacture and which has at least one groove (32) in the inner wall of the cylinder (10) which permits flow of working fluid back and forth between opposite ...  
WO/1983/003261A1
The friction surface of a portion within the combustion chamber of a piston combustion engine, particularly the friction surface of a cylinder sleeve and/or a piston segment, is provided by locally melting and rapidly cooling a 0.5 - 8 m...  
WO/1983/002306A1
A pressure fluid cylinder without a piston rod and of the kind having a slotted cylinder tube (1) and a piston displaceable therein, said piston being connected to a movement transfer device, which extends radially through the slot. The ...  
WO/1983/001811A1
The hydraulic jack comprises a casing (1) with a face cover (2) and a back cover (3) and a piston rod (4) moving in relation to each other, on which rod there are provided a sealing element (7) and at least two grooves to form a correspo...  
WO/1982/002234A1
A method for reducing friction between relatively sliding members (1-3, 15-17) which are subject to a relative lateral force (F). One member is given a slight rotation (R) about an axis substantially perpendicular to the direction of sli...  
WO/1982/001493A1
Advantageous process for manufacturing a hollow machine cylinder subjected to a strong erosion and a high pressure, utilized in particular in machines working plastic materials. A blank is formed by forging and hot-rolling a starting bla...  
WO/1981/000117A1
A sliding material which has enough abrasion resistance, baking resistance, scuffing resistance, and intimate adhesion properties to be suited for use as a sliding surface of a piston ring or a cylinder liner for internal combustion engi...  
WO/1979/001103A1
An article, for example a piston for an internal combustion engine is formed of two or more layers of different material compositions in which there is a controlled graded change of composition between layers or within at least one of th...  
JP6749352B2  
JP2020125505A
[Subject] Let it be a subject to provide the cast iron member by which the corrosion resistance over the corrosion of the sulfuric acid etc. which are generated by an EGR system has been improved. [Means for Solution] It is 1.8 mass %~2....  
JP6734931B2  
JP2020115013A
Provided are a method of manufacturing an internal combustion engine, which is excellent in maintainability and recyclability of the internal combustion engine and has a high degree of freedom in designing the internal combustion engine,...  
JP2020522639A
The present invention relates to an internal combustion engine, the internal combustion engine defining at least one cylinder, a connecting rod and a target arranged on one of the side reinforcing walls of the piston or at the small end ...  
JP6717964B2  
JP2020085119A
[Subject] It controls being attached between 2 members, while it has been in a state to which a gasket inclined, and provides a gasket which can demonstrate a function of a gasket certainly. [Means for Solution] While being annular gaske...  
JP2020084778A
[Subject] In the gasoline engine, it is in the situation where the measure against wear of a cylinder becomes severe, and the further improvement was desired by the idling stopping mechanism accompanying the demand of low-fuel-consumptio...  
JP6705045B2  
JPWO2019225039A1
by controlling the opening which arises in a cylinder block, the junction intensity between a cylinder liner and a cylinder block may be improved -- cast-wrapping -- business -- let it be a subject to provide a cylinder liner. two or mor...  
JP2020079593A
To provide a cylinder liner for insert casting which can improve joining strength between a cylinder liner and a cylinder block by suppressing an air gap formed at the cylinder block.This problem is solved by a cylinder liner for insert ...  
JP6679611B2  
JP2020056352A
To provide a member for an internal combustion engine which can improve the reduction of a heat transmission rate (improvement of heat insulation) more than before while using a heat insulation film composed of an anode oxide film.This m...  
JP2020051390A
To realize a cylinder of an internal combustion engine which achieves reduction of a friction loss and reduction of a cooling loss by improvement of heat retaining characteristics.A cylinder of an internal combustion engine includes: a c...  
JP2020041511A
To provide a compressor which does not require oil supply and does not mix lubrication oil with gas to be compressed.A compression cylinder 1 comprises a cylinder tube 34, a cylinder liner 35 arranged in the cylinder tube 34, and a pisto...  
JP6666533B2  
JP6657341B2  
JP2020029804A
To provide a cylinder liner capable of achieving both cooling of a cylinder bore and reduction of a bore-to-bore pitch while securing adhesion to a block at the time of being cast into the block to form a multiple cylinder engine.The cyl...  
JP2020029594A
To provide a slide member capable of improving frictional property under a lubricating oil environment containing Mo; and to provide a manufacturing method thereof.A slide member 10 has a sliding part 11 comprising a metal material, and ...  
JP2020029805A
To provide a technique for achieving both cooling of a cylinder bore and reduction of a bore-bore pitch while securing adhesion to a block at the time of being cast into the block to form a multiple cylinder engine.A cylinder liner which...  
JP6655757B1
by controlling the opening which arises in a cylinder block, the junction intensity between a cylinder liner and a cylinder block may be improved -- cast-wrapping -- business -- let it be a subject to provide a cylinder liner. two or mor...  
JP2020016186A
To provide a cast iron cylinder liner which reduces friction and has excellent seizure resistance.In an internal combustion engine comprising a cast iron cylinder liner including an inner peripheral sliding surface consisting of cast iro...  
JP2020007929A
To provide an internal combustion engine in which an anodic oxide film having satisfactory thermal insulation properties and swing characteristics is formed.In an internal combustion engine in which an anodic oxide film is formed at leas...  

Matches 201 - 250 out of 3,969