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JP7268512B2 |
To improve the torque of an engine by injecting water heated by a heat-up part into a combustion chamber.A combustion chamber structure for an engine 1 includes a combustion chamber 11, an ignition device (a spark plug 65) arranged on a ...
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JP7231330B2 |
To provide an engine component of which the heat insulation layer has high heat insulation property and good adhesion property to a base material.The engine component includes the metal base material, and the heat insulation layer provid...
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JP7222525B2 |
To provide a gasket which can surely exert a function of the gasket by suppressing the assembling of the gasket between two members while the gasket is left to be inclined.An annular gasket 4 attached into a groove part 3 which is recess...
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JP7209240B2 |
A sliding mechanism of the present invention includes a cylinder bore having a thermally sprayed iron-based coating and includes a piston with a piston ring covered with a hard coating composed mainly of carbon.The thermally sprayed coat...
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JP2022191217A |
To provide a method that allows the thermally sprayed layer to be applied adheringly to the shell of a cylinder bore without the need for mechanical activation of the surface to be coated.A cylinder of piston-type internal combustion eng...
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JP7176846B2 |
To provide a concrete pump which can inhibit a piston packing form being damaged early.A concrete piston 9A is included in a concrete cylinder 9, which moves forward and rearward in an axial direction, and includes a piston packing 24 wh...
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JP7166243B2 |
Cylinder of piston-type internal combustion engine includes at least one bore with inner shell formed from a base material. The base material, in a region of the bore, includes a layer system, and a first boundary surface formed between ...
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JP7165658B2 |
A roughening tool for roughening the cylindrical surface of a bore in a particular metallic workpiece, e.g. the piston running surface of a cylinder bore or cylinder liner in an internal combustion engine, by generating a defined microst...
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JP7157262B2 |
Provided are a heat-shielding ring for a cylinder liner that is less likely to be damaged due to a groove for forming an insulation air layer, and an internal combustion engine that uses said heat-shielding ring. The present invention is...
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JP2022155552A |
To provide a cylinder which reduces friction resistance and improves fuel consumption efficiency or reduces oil consumption.The present invention relates to a cylinder in which a piston including a piston ring slides on an inner wall sur...
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JP7146539B2 |
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...
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JP2022141676A |
To provide a heat shielding ring for a cylinder liner capable of preventing damage resulting from a groove part for a heat insulating air space, and an internal combustion engine using the ring.A heat shielding ring 10 for a cylinder lin...
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JP7134568B2 |
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...
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JP7135004B2 |
An internal combustion engine comprises a connecting rod and a target arranged on one of the lateral reinforcing walls of a piston or on a foot end of the connecting rod, and a crankcase defining at least one cylinder and having at least...
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JP7109131B2 |
An engine block for an internal combustion engine of a motor vehicle has a cylinder within which a piston can be movably accommodated between a top dead center and a bottom dead center and has a cylinder bore, the internal cylinder diame...
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JP7084234B2 |
The present embodiment relates to an internal combustion engine having an anodic oxide coating (10) formed on at least a portion of an aluminum-based wall surface facing a combustion chamber (NS). The anodic oxide coating (10) has a plur...
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JP7083295B2 |
A sliding member capable of improving friction characteristics under an environment of a lubricant containing Mo, and a production method therefor, is provided. The sliding member contains a sliding portion formed of a metallic material ...
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JP2022073468A |
To provide a composite material in which circumferential mechanical strength is high while using an anisotropic heat conductive material, and a manufacturing method thereof.According to one aspect of the invention, a composite material i...
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JP2022071048A |
To provide a coating method for coating a curved surface, in detail, the concave inner surface of a bore wall or a cylinder wall with a powder coating material by using a plasma spray device, in detail, a thermal spray device or a HVOF t...
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JP2022522478A |
The present invention is a device for sealing a combustion chamber of an internal combustion engine, which has at least one piston and a cylindrical component for accommodating the piston, and the piston is on the upper side inside the c...
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JP7051500B2 |
To provide an engine component of which a heat insulation layer has high heat insulation property and good heat drawing property.The engine component includes a metal base material, and the heat insulation layer provided on the surface o...
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JP7039953B2 |
To provide a casting component in which a shear stress occurring on a casting surface is effectively dispersed.A casting component having a mesh-like protrusion 3, a bottom surface part F surrounded by the protrusion, and independent pro...
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JP7010474B2 |
To provide a thermal insulation material having low thermal conductivity using amorphous silicon, a manufacturing method therefor, and an internal combustion engine using the same.A thermal insulation material containing amorphous silico...
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JP6993267B2 |
To provide an engine component of which a heat insulation layer has high heat insulation property and good adhesion property to a base material.The engine component includes the metal base material, and the heat insulation layer provided...
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JP6989182B2 |
A method of manufacturing a gas cylinder according to an embodiment of the present invention may include applying a sealant to at least a portion of inner surface of a hollow spindle; inserting a cylinder assembly contacting the inner su...
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JP2021195969A |
To improve the molding accuracy and durability of a pressure-proof apparatus.A cylinder 100 is equipped with an annular cylinder tube 110, and a cylinder bottom 120 that has an annular wall portion 122 and in which the wall portion 122 i...
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JP6985110B2 |
The invention relates to a cylinder of an internal combustion engine, particularly a cylinder (10) of an internal combustion engine running at intermediate speed. The cylinder has a cylinder sleeve (11) and a cylinder piston (12) guided ...
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JP6979171B2 |
To provide a member for insert casting in which, in the different two regions of an insert-cast member, the characteristics such as adhesion and thermal conductivity can be largely changed at easy, and a method for producing the same.Pro...
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JP6978990B2 |
A cylinder liner that is casted in a block and defines a cylinder bore corresponding to one cylinder includes: a cylindrical liner body; a projection part provided so as to include a plurality of projections on an outer peripheral surfac...
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JP6971746B2 |
To provide an engine component having a low thermal conductivity, a low specific heat, and a thermal insulation film excellent in heat resistance and mechanical strength, and a method of manufacturing the engine component.An engine compo...
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JP6963576B2 |
To provide a cast iron member having improved corrosion resistance to corrosion such as sulfuric acid occurring in an EGR system.A cast iron member contains carbon of 2.9 mass%-3.7 mass%, silicon of 1.8 mass%-2.8 mass%, manganese of 0.5 ...
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JP2021527179A |
Improved combustion monitoring in an internal combustion engine is performed by an optical port passing through the side wall of the combustion chamber, which can be cleaned by wiping the piston ring passing in front of the port. The thi...
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JP2021156193A |
To provide an internal combustion engine for promoting the mixture of fuel and air in a cylinder of an internal combustion engine.In an internal combustion engine 1 having a cylinder 2, a piston 3 in which a cavity 5 is formed at an uppe...
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JP2021143748A |
To improve molding accuracy and durability of a pressure-resistant device.A cylinder 100 includes: a cylinder bottom 120 which has a base part 121 and an annular wall part 122 protruding from the base part 121 and in which the wall part ...
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JP6934108B2 |
Provided is a damper capable of securely assembling a cap on an outer circumference of a rod while reducing a diameter of the cap and reducing an outer diameter of a cylinder. A damper has a cylinder, a rod, and a cap attached to an open...
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JP6934567B2 |
The present invention addresses the problem of providing a cylinder liner having a coating film in which cracking does not occur even when the cylinder liner is exposed to a harsh heat cycle having a large temperature difference. The pro...
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JP6927780B2 |
An internal combustion engine, having a cylinder crankcase (8), and having at least one cylinder, wherein the respective cylinder comprises a cylinder liner (1) received in the cylinder crankcase (8), wherein the cylinder liner (1) of th...
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JP6925559B1 |
An object of the present invention is to provide a spiny liner capable of further improving the joint strength when integrated with the metal on the outer peripheral surface side. A spiny liner having multiple protrusions on its surface,...
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JP6924122B2 |
According to the present invention, a cylinder tube (100) is provided with: a main body part (10) which has a through hole (11) that opens to end faces; and a cover part (20) which closes an opening of the through hole (11) of the main b...
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JP6894879B2 |
To provide a cylinder for an internal combustion engine capable of reducing friction average effective pressure without performing complicated processing and a manufacturing method for the cylinder for the internal combustion engine.In a...
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JP2021080897A |
To realize control of pressing force of a piston ring on an inner wall surface of a cylinder bore in accordance with an operation condition.A piston ring 21 is made of a magnetic material. An internal combustion engine 10 comprises a per...
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JP6868584B2 |
Provided is an engine (100), including: a cylinder including a cylinder liner; a piston provided inside the cylinder liner; a piston ring provided on the piston; a contact detector (184) configured to detect a contact between a step form...
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JP6861217B2 |
The present invention relates to a tribological system (1; 2) comprising a first body (102; 105) and a second body (101; 107), which each form a component of an internal combustion engine (100), in particular a piston (102), a piston rin...
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JP2021055665A |
To provide a cylinder block capable of improving a connection structure between a cylinder block and a cylinder liner to secure durability of an engine, and a cylinder block to which the cylinder liner is connected.The present invention ...
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JP6838296B2 |
To provide an internal combustion engine capable of reducing engine oil consumption while suppressing friction loss increase.In an internal combustion engine (10), a portion (48) of a minimum diameter (Dcmin) of a cylinder bore (20) with...
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JP6802402B1 |
To provide a combustion visualization engine provided with a piston ring capable of reducing the frequency of replacement of a piston ring even in a non-lubricated environment and suppressing adhesion of wear to the inner wall of a perme...
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JP2020172884A |
To provide a compressor in which vibration and nose are reduced upon operation while further reducing frictional resistance, and energy save and an elongated service life are realized, and to provide a method for manufacturing a compress...
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JP2020148158A |
To provide an internal combustion engine that can reduce frictional resistance between a piston and a cylinder bore while suppressing impact noise.An internal combustion engine includes: a cylinder formed with a cylinder bore having a sh...
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JP6749352B2 |
An inside surface of an internal combustion engine liner is treated to have a surface roughness Ra smaller than 0.06 μm, and then receives a DLC coating. A method of producing the internal combustion engine liner includes: forming the l...
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JP6734931B2 |
An internal combustion engine includes an engine main body defining a cylinder bore, a piston received in the cylinder bore, and a crankshaft rotatably supported by the engine main body and connected with the piston via a connecting rod,...
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