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Matches 501 - 550 out of 3,972

Document Document Title
JP2014080903A
To provide a cylinder liner for an internal combustion engine capable of reducing thermal loss of a liner upper portion near a combustion chamber, and coping with thermal deformation.In a cylinder liner 1 for an internal combustion engin...  
JP5481268B2  
JP5481356B2  
JP2014066152A
To keep a low friction property at a piston ring of a reciprocation mechanism in which the piston ring having a dimple and a cylinder having a cross hatch of large cross hatch angle at its inner peripheral surface.This invention relates ...  
JP2014062318A
To provide a marine engine cylinder liner which is made of flake graphitic cast iron and has a wall thickness of 30 mm or more and high strength with tensile strength of 250 MPa or more.The cylinder liner is made of flake graphitic cast ...  
JP2014062490A
To improve seizure resistance, wear resistance and sliding characteristics of a cylinder bore inner surface and to enable oil consumption amount and blow-by gas amount to be suppressed.This invention provides a working method and working...  
JP5465258B2  
JP2014043828A
To reduce friction caused by slide of a piston.In a cylinder block 10, crosshatch 14 is formed on inner peripheral surface of a cylinder 13. The cylinder block 10 includes a plurality of crosshatch parts 15 in an axis direction of the cy...  
JP5429329B2  
JP2014020301A
To reduce a cooling loss by restraining heat transfer from fuel gas to an engine component without changing a shape of a piston.In an engine combustion chamber structure, a cavity 9 is formed on a top face of a piston 1, and a heat insul...  
JP5399786B2  
JP5386212B2  
JP5390097B2  
JP5386213B2  
JP5383410B2  
JP5373649B2
To prevent production of a gap in a boundary between a cast-in cylinder liner and a cylinder block so as to suppress deformation of the cylinder liner, and to provide the cylinder liner of an engine in which adhesion of hard plating is i...  
JP5370092B2
To surely perform the lubrication of a sliding face even if high-speed, high-frequency and fine stroke control is applied to a hydraulic actuator, and to prevent the seal member wear caused by insufficient lubrication. A plurality of str...  
JP5359896B2
To improve ease of assembly of a seal member disposed between a cylinder block and a crank case and to improve durability of the seal member, in a variable compression ratio mechanism changing a compression ratio of the internal combusti...  
JP2013238193A
To provide a combustion chamber structure of an engine that can relieve thermal stress acting on a combustion chamber and improve heat insulating properties.In a combustion chamber structure of an engine, a metal coating layer 12 is form...  
JP5350788B2
A piston-and-cylinder assembly, used in cooling sys terns that may include, for example, refrigerators, air-conditioning systems and the like. In order to solve the problems of volumetric loss (or of cooling capacity) of compressors in g...  
JP2013231207A
To surely seal one end of a cylinder inner circumferential surface even when a space reaching the one end side of the cylinder inner circumferential surface is narrow, and to prevent contact with the cylinder inner circumferential surfac...  
JP5333171B2
To provide a variable compression ratio engine capable of achieving both the change in the compression ratio and the vibration control. In the variable compression ratio engine 1, the compression ratio can be changed by relativity shifti...  
JP5330670B2
The actuator (10) has a cylinder (14) with an input port, and a piston (12) arranged partially within the cylinder. Circumferential grooves (16) are arranged in one of the piston or the cylinder. Piston rings (20) are arranged in the cir...  
JP5320951B2
To evade the phenomenon that, when a block supporting stand rotates to either or the other edge part, the through-hole of the block supporting stand is located in the outside of the end part of the base stand and exposed to the outside, ...  
JP2013204443A
To provide an internal combustion engine which has excellent heat resistance and a heat insulation property and has low heat conductivity and low heat capacity, the internal combustion engine including a heat shielding membrane on a wall...  
JP2013189959A
To provide a method for producing a heat-shielding film, by which a heat-shielding film having high hardness and low thermal conductivity, even in a thin film state, can be easily produced in a short time, and to provide a heat-shielding...  
JP5297384B2
A cylinder realizing reduced reciprocation friction between a piston ring and a bore surface of the cylinder in a region where the piston ring slides. The cylinder in which a piston slides on a bore surface of the cylinder. A plurality o...  
JP2013167253A
To provide a reciprocating engine capable of preventing occurrence of adhesion or deposition of carbon in a gas chamber even when an engine is operated for a long time and a high-pressure combustion gas is repeatedly introduced into, hel...  
JP5276530B2  
JP5255646B2  
JP5257756B2  
JP2013148026A
To provide a cylinder liner superior in corrosion resistance to sulfuric acid, and consequently superior in abrasion resistance, in spite of having a simple and inexpensive constitution.A cylinder liner 10 is the cylinder liner 10 for ho...  
JP5249109B2  
JP2013530340A
In a combustion engine including a cylinder (11), a cylinder head (12), a cylinder head seal (16) and a scraper ring (17), an elastic scraper ring seal (23, 30) provided close to either or both end surfaces (20, 21) of the scraper ring s...  
JP2013139884A
To provide a piston-and-cylinder assembly having variable diametral clearance, and a cylinder for use in a piston-and-cylinder assembly with a variable diametral clearance.A piston-cylinder assembly is used for cooling systems including,...  
JP2013528268A
The present invention provides the sliding object provided with at least one layer of 10*40-micrometer-thick a*C:H:Me layers especially a piston ring, or a cylinder liner. In an a*C:H:Me layer, Me refers to germanium and silicon.  
JP3183527U
[Subject] A cylinder liner which has many projections outside is provided. [Means for Solution] A projection is omega form, P form, or a point narrow type, and projections 3, 4, and 5 of omega form, P form, and a point narrow type occupy...  
JP5199868B2  
JP5185178B2  
JP2013064173A
To provide: a thermal spray material which is capable of reducing unevenness of coating film hardness in a thermal spray coating film, thereby improving a coating film hardness and achieving excellent separation resistance; the thermal s...  
JP5178600B2  
JP3182632U
[Subject] A cylinder assembly and nozzle head structure where time and effort of manufacture was reduced are provided. [Means for Solution] A cylinder assembly is provided with the 1st main part 10, 2nd main part 20, and coupling member ...  
JP5169242B2  
JP5155924B2  
JP2013044359A
To perform impregnation treatment even to a cylinder block including a sprayed coating which has failed in a leak test.Pores 7 each functioning as a lubricant reservoir are formed in a sprayed coating 5 previously formed on the inner sur...  
JP2013036470A
To provide a reciprocating engine that eliminates piston ring interference in an oil ring, and generates desired lateral pressure to greatly reduce sliding friction resistance between both a piston ring and a side surface of a piston and...  
JP5121512B2  
JP5113783B2  
JP2013002340A
To provide a cylinder block capable of imparting an optimal lubricating characteristic, without causing overs and shorts in both a piston ring sliding contact surface different in bearing pressure applied to a sliding surface and a pisto...  
JP3180621U
[Subject] While being able to reduce a heat loss of the Rajna upper part near a combustion chamber, a cylinder liner for internal-combustion engines which can respond is provided also to heat modification. [Means for Solution] In cylinde...  

Matches 501 - 550 out of 3,972