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JP5473771B2 |
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JP5473829B2 |
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JP2014062811A |
To provide a measurement jig that is able to accurately measure the height of a large-diameter portion provided so as to be larger in diameter than a hole portion.A measurement jig 20 for measuring the height of a shroud part connected t...
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JP5463439B1 |
In a hollow poppet valve formed with a valve head cavity in its valve head, a bottom fringe portion of the seat head cavity is extended radially outwardly so as to provide a cavity near a valve face of the valve, thereby enhancing the he...
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JP2014508241A |
In general, devices including variable force valve springs that control the movement of engine valves and related methods are disclosed. The force applied by the valve spring changes the pressure at which the fluid is delivered to the fl...
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JP2014508242A |
Devices and related methods are disclosed that generally involve actuating an engine valve with a cam having a dwell section. These devices and methods have application in split-cycle engines, air hybrid engines, conventional engines, an...
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JP5462325B2 |
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JP5462812B2 |
To provide an engine controller that detects a rotation angle of a crankshaft from output of a cam angle sensor even when a crank angle sensor fails, to enable operation of an engine having a variable valve timing mechanism varying a rot...
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JP5420116B1 |
A method of forming a poppet valve having a stem, a valve head and a valve seat while concurrently maintaining compressive residual stress without grain coarsening on both the valve body and the valve seat. The method includes forming a ...
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JP2014503752A |
In general, devices with selective deactivation of one or more engine valves and related methods are disclosed. In one embodiment, a split cycle internal combustion engine is provided in which a high speed trigger valve is used to fill a...
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JP5412887B2 |
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JP5408443B2 |
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JP5404472B2 |
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JP2014013031A |
To provide a novel combustion method realized by innovative remodeling of a suction valve and a fuel injection valve in a combustion method for a compression-ignition system internal combustion engine, and provide a compression ignition ...
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JP2014009806A |
To improve workability in a suspension mechanism and a clutch mechanism of a motorcycle and a valve gear mechanism of an internal combustion engine by reducing friction generated between a spring seat surface and a structural member or t...
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JP5381913B2 |
To improve mixing property of fresh air and burned gas as much as possible upon reopening an exhaust valve during an intake stroke.The circumference edges of openings 41, 43 of a first intake port 12 and a first exhaust port 14, respecti...
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JP5383682B2 |
Object of the Invention The invention provides a forged exhaust poppet valve and a method of solution heat treating the same, in which only a predetermined portion of the valve is subjected to the solution heat treatment so as to provide...
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JP5350823B2 |
To provide an exhaust passage structure for an internal combustion engine, having greatly improved exhausting efficiency by actualizing the smooth flow of combustion gas in a high temperature chamber and a high temperature exhaust passag...
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JP5343167B1 |
An automated heat treatment system for heat treating forged work pieces in a fewer steps is provided The system has a furnace for heat treating engine valves, a carry-in mechanism for transporting forged engine valves into the furnace, a...
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JP5342592B2 |
A cylinder structure satisfies the following conditions: 12% ‰¤ d/a ‰¤ 27%, where d is a distance between a cylinder inner surface 12a and an exhaust valve member 20b, and a is a diameter of the exhaust valve member; 40% ‰¤ c/b ‰Â...
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JP5339529B2 |
To provide a device for assembling a valve cotter and a retainer capable of enhancing the efficiency and reliability of assembling the valve cotter and the retainer and supplying a large amount of parts to which the valve cotter and the ...
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JP2013227945A |
To provide an engine valve capable of sufficiently removing deposit of a valve face or a valve seat in low-load and low-rotation speed of an engine.An intake valve 10 assembled into a cylinder head 1 of an engine includes a valve system ...
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JP5328694B2 |
The present invention provides an engine valve for an automobile made of titanium alloy which is excellent in heat resistance, which engine valve for an automobile made of titanium alloy comprises, by mass%, Al: 5.5% to less than 6.5%, S...
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JP2013217359A |
To provide a compulsive opening and closing valve device capable of achieving miniaturization of a cylinder head by allowing alignment errors of a valve system to be reliably and easily absorbed and allowing clearance to be reliably and ...
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JP5321158B2 |
To prevent the occurrence of crack by melting an interface between a clad material and a base material at starting the machining of a laser clad to secure the welding strength without producing a lack of build-up at the machined terminal...
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JP5315880B2 |
To prevent the strength of a thin film from deteriorating below the design strength by the gas which is generated when burning the thin film and remains therein. In the heating step for degassing, a thin film 20 with a large number of pa...
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JP5311918B2 |
A spring retainer is made from an iron-based material to improve the strength and abrasion resistance of the spring retainer and reduce the thickness and weight thereof. The spring retainer includes a retainer body having a tapered suppo...
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JP5302192B2 |
An Fe-Ni-based alloy that has improved wear resistance at high temperature over Ni-based superalloys is provided. The alloy is particularly useful for manufacturing engine exhaust valves and other high temperature engine components subje...
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JP5300675B2 |
To provide a valve seat press-fitting device preventing wrong press fitting of a valve seat to a cylinder head. This valve seat press-fitting device 1 includes a punch 22 capable of retaining a cylindrical valve seat 7 at an outer circum...
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JP5296594B2 |
To provide a poppet valve for exhaust in which the whole area of a valve shank facing inner peripheral surface of a valve guide is formed in a taper shape and the valve shank and the valve guide do not interfere with each other. In an ex...
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JP5297402B2 |
Disclosed is a method--for producing an engine valve (V) filled with metallic sodium (Na) within by means of: forming a stem section (S), which has a hollow section (H), at an intended size by successively drawing the stem section (S) us...
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JP5296554B2 |
A martensitic stainless steel (I) contains (in wt. %, apart from iron and production impurities) 0.45-0.55 carbon, 12-18 chromium, 1-2.5 silicon, up to 2 manganese, 0.2-0.5 vanadium, up to 0.5 molybdenum, 0.05-0.15 nitrogen (with (C+N) =...
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JP5298726B2 |
To form a thin film having aimed physical properties when the thin film applied on a base material is heated and fired by the irradiation of the surface of the thin film with laser beam. In a thin film applying step of applying a solutio...
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JP2013185488A |
To provide an internal combustion engine capable of reducing operation energy of an intake valve.In an internal combustion engine EG comprising at least two intake ports 134a, 134b with different diameters performing an intake for a comb...
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JP2013185470A |
To provide a rocker arm clip capable of effectively suppressing an inclination in a vertical direction on an outer wall of a rocker arm, or a valve train.A rocker arm clip (70) includes: a first wall part (71); a second wall part (72) ar...
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JP5294589B2 |
To provide a method for forming a valve-seat by which cracks or undeposited parts are not produced in the valve seat. In the method for forming a valve-seat, a fusion layer 21 is formed by fusing a base material by irradiating the valve ...
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JP5291102B2 |
This invention relates to a valve arrangement in an engine, comprising a valve with a valve plate and a stem like portion having an upper portion and lower portion, a valve control mechanism, the upper portion forms a hollow annular body...
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JP5288674B2 |
This invention relates to a steel composition comprising, expressed in percentages by weight: 0.25-0.35% C, 24-28% Cr, 10-15% Ni, 3-6% Mn, 1.75-2.50% Nb, 0.50-0.70% N, 0-0.30% Si, provided that C+N>=0.8%, the rest consisting mainly of ir...
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JP2013177693A |
To provide a heat shielding film 200 having excellent heat shielding property and durability.A heat shielding film comprises a binder with hollow granular material being dispersed therein, and the hollow granular material is distributed ...
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JP2013177815A |
To effectively improve energy utilization efficiency of high pressure gas of an air pressure engine, prevent locking of a piston caused by dew condensation of an engine cylinder, improve a shielding effect of an air supply valve, reduce ...
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JP2013177842A |
To prevent a valve guide from being press-fitted erroneously into a cylinder head.A valve guide press-fitting device is provided for press-fitting a valve guide 100, including a recessed part 101 on the outer circumferential surface at o...
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JP2013173961A |
To provide a valve seat made from an iron-based sintered alloy of excellent abrasion resistance and machinability, usable in an exhaust valve seat of an internal combustion engine suitable for low fuel consumption, low emission, and a hi...
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JP2013170555A |
To provide a heat insulation structure used as a heat insulation layer 21 on a substrate 20, which has an excellent heat insulation effect, hardly gets cracked or peeled off owing to fatigue accompanying repeated stress or thermal stress...
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JP5273789B2 |
To inspect propriety of a valve clearance with a simple device and method. The propriety of the valve clearance is inspected based on a valve opening angle θ0calculated from a rotation angle of a cam, without determining the propriety b...
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JP5277375B2 |
Provided is an after-treatment apparatus for exhaust gas right after a combustion chamber, which apparatus comprises a discharge device with an electrode exposed to an exhaust port installed in a cylinder head, an antenna installed on th...
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JP5272304B2 |
To provide an apparatus and a method for laser build-up welding, capable of improving the quality of the build-up welding. The apparatus for laser build-up welding has a first laser irradiation means for irradiating a workpiece with a fi...
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JP5275062B2 |
To reduce the flow resistance of combustion gas in a low temperature chamber, and to enhance scavenging efficiency. The exhaust passage structure of an internal combustion engine includes a main valve performing the exhaustion of combust...
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JP5270926B2 |
A powder for a sintered valve sheet made of an iron-based alloy is provided, which has excellent compactibility and abrasion resistance and from which a carbide that may abrade a counterpart is not precipitated. A powder is provided, whe...
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JP2013160139A |
To prevent a valve guide from falling out, to prevent a cylinder head from being worn, to improve durability of components, to reduce costs by reducing man-hours for working and assembly, to make an engine compact and lightweight by redu...
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JP5253132B2 |
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