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Matches 1,351 - 1,400 out of 6,949

Document Document Title
JP5038498B2
A pressure balancing system for an engine (148), comprising an engine valve (155), the head (157) of the engine valve (155) including an outer face (160) adjacent the cylinder (12); a balance piston (159) on the stem (145) of the engine ...  
JP2012184655A
To provide a valve train device for an internal combustion engine for actuating a valve by a cam and a valve spring, capable of ensuring valve smooth operation without unnecessarily increasing the operation resistance of the valve.A magn...  
JP5037536B2
A port is formed in a cylinder head of an engine. The port is opened and closed by a valve. A valve spring device is provided with a first spring and a second spring. The second spring is contained in a housing and held by a stopper in a...  
JP5036879B2
A movable wall member, in form of an exhaust valve spindle (1) or a piston (7) for an internal combustion engine, comprises a base portion (17, 20) of an alloyed steel having a carbon-content in the range from 0.15 to 0.35% by weight, an...  
JP5036799B2
A cylinder portion 1 configured such that a recess (depression) 14 is formed on an upper edge portion of an inner wall of the cylinder portion to prevent the formation of choke between the inner wall and a side edge 26 of a valve umbrell...  
JP5033742B2  
JP5025195B2
In an engine electromagnetic valve operating device (20), an intake valve (17) is opened and closed by means of a first electromagnet (21), which is fixed to a cylinder head, and a second electromagnet (22), which is pivotably supported ...  
JP2012172619A
To provide an engine in which knocking is suppressed and which can contribute to fuel consumption improvement.An engine 1 is provided with a cylinder block 2 comprising a bore 20, a piston 3 that fits into the bore 20 enabling free recip...  
JP2012172609A
To provide a lost motion mechanism without increasing the height size of an engine.A valve system (8) is installed on a cylinder head (36) of an engine, and driven by a camshaft (39), and includes an intake valve (81) which has a stem (8...  
JP2012162998A
To provide a valve spring seat of an internal combustion engine that sufficiently accelerates rotational motion of intake and exhaust valves with a simple and low-cost configuration.The seat includes: a first valve spring seat that is pr...  
JP5015277B2
A valve device includes a valve housing body having a passage for fluid, a valve guide formed in the valve housing body, a valve stem sliding in the valve guide for opening and closing the valve, a hydraulic actuator for opening and clos...  
JP5015393B2
An improved process 30 for making an engine poppet valve 10 provides an unfinished poppet valve 10 with an initial diameter (d1) of a valve head 22 and an initial thickness (t1) of an interface 56 between a seat facing groove 54 and a co...  
JP5010765B1
OBJECT: To provide a method of manufacturing a valve for an internal combustion engine, the valve being highly hardened from the surface of its valve face to a deep region MEANS OF ACHIEVING THE OBJECT: A valve face (16) of an intermedia...  
JP5014183B2  
JP2012159032A
To provide a rocker arm assembling method which is applicable regardless of the type of a cylinder head, and by which the attachment and detachment of an assembly jig is easily performed.Rocker arms 4 are assembled to a cylinder head 1 t...  
JP2012149589A
To provide an exhaust valve having sufficient heat-resistant strength without being accompanied by increase of weight or increase of production cost.This exhaust valve 31 includes: a shaft section 41; and an umbrella section 42 formed in...  
JP4984865B2  
JP4987076B2
A four-cycle engine (1) structured to introduce fresh air into a cylinder (1a) via an intake port (1d) opened/closed by intake valves (IN 1, IN2) and suck exhaust gas back into the cylinder (1a) via an exhaust port opened/closed by exhau...  
JP2012136979A
To provide a method of manufacturing an engine valve containing metallic sodium and a metallic sodium supply system, with which metallic Na can be efficiently filled into the engine valve.The method of manufacturing the engine valve cont...  
JP2012136978A
To provide a metallic Na supply system capable of efficiently manufacturing a lot of engine valves containing metallic Na.The metallic Na supply system 10A serving as a metallic Na supply system for supplying the metallic Na 12 into an e...  
JP4972972B2
The present invention provides a Ni-based super alloy including, by mass %, C: 0.01 to 0.15%; Si: 1% or less; Mn: 1% or less; P: 0.02% or less; S: 0.01% or less; Co: less than 0.10%; Cr: 16 to 22 %; Mo: 4 to 10%; W: 5% or less; Al: 1.2 t...  
JP2012125790A
To provide a method for manufacturing a hollow engine valve which can easily inject sodium metal therein.In the method, by applying forging processing to a solid round bar 21, a semifinished product 22 having a hollow hole 22c is molded,...  
JP2012122388A
To provide a welding method for a hollow engine valve capable of improving the quality of a welding part.In the welding method for a hollow engine valve obtained by welding valve umbrella member 11 of a hollow shaft shape having an umbre...  
JP2012122335A
To provide a variable valve gear of an engine by which only the valve closing timing of an inlet valve can be delayed.The variable valve gear of the engine has a valve mechanism 28 openably/closably driving an inlet valve 26, a rotary me...  
JP2012122372A
To provide a rocker arm unit which can suppress a cost increase through elimination of the use of any clip.The rocker arm unit includes a rocker arm 10 extending in the longitudinal direction, structured so that a roller 40 is installed ...  
JP2012112308A
To provide a method for manufacturing a heat transfer medium for a hollow engine valve which can easily manufacture a heat transfer medium for a hollow engine valve that can be smoothly and safely filled into a hole in the hollow engine ...  
JP2012112358A
To provide a mounting medium injector which injects the prescribed amount of a mounting medium into a semi-finished valve accurately and quickly.The invention relates to the mounting medium injector A1 for injecting the mounting medium N...  
JP4948636B2
Hard particles for blending as a starting material in a sintered alloy contain 20 to 40 mass % of molybdenum, 0.5 to 1.0 mass % of carbon, 5 to 30 mass % of nickel, 1 to 10 mass % of manganese, 1 to 10 mass % of chromium, 5 to 30 mass % ...  
JP3175779U
To provide an exhaust valve rod of an expensive diesel engine or the like for a ship at a low cost and to improve durability. This is an exhaust valve rod 1 of a diesel engine or the like, and heat-resistant steel as a valve material inc...  
JP4943080B2
To provide a raw material powder for a laser built-up valve seat keeping favorable wear resistance even when used under the conditions of fierce adhesive wear and also having excellent characteristics in manufacturability, build-up prope...  
JP2012097627A
To provide a metallic-sodium-filled engine valve capable of further achieving reduction in weight, even while suppressing heat transfer to a stem seal.In the metallic-sodium-filled engine valve 100 including a stem 112 and an umbrella pa...  
JP4939403B2
A surface modifying jig of an engine valve comprising a substantially circular ring portion for holding the valve head of an engine valve, a head holding portion having a diameter decreasing gradually downward from the inner circumferent...  
JP4932747B2
An object of the invention is to provide a variable valve device (35) capable of controlling a fuel injection amount or the like if a control shaft sensor (151) has a failure. The variable valve device employs a brushless DC motor (355) ...  
JP2012087620A
To provide a metal sodium sealed engine valve capable of fully exhibiting the heat-conduction performance by metal sodium.The metal sodium sealed engine valve 100 includes a stem part 112, an umbrella part 111 and a hollow part 112a insi...  
JP4929408B1
Provided is a method for manufacturing a hollow engine valve, by which a hollow engine valve having a shaft part with a desired thickness can be relatively easily manufactured. A method for manufacturing a hollow engine valve having a ho...  
JP2012072662A
To provide a retainer cotter combination device that eliminates work to confirm whether a cotter and a retainer are combined or not, and reduces size and manufacturing cost.The retainer cotter combination device 1 combines the retainer 2...  
JP4898929B2
A valve device includes a valve housing body having a passage for fluid, a valve guide formed in the valve housing body, a valve stem sliding in the valve guide for opening and closing the valve, a hydraulic actuator for opening and clos...  
JP4895434B2
A free-cutting Ni-base heat-resistant alloy excellent in the high-temperature strength and corrosion resistance was proposed. The alloy contains Ni as a major component, 0.01 to 0.3 wt % of C and 14 to 35 wt % of Cr, and further contains...  
JP2012045604A
To provide a manufacturing method which provides a marine engine valve having excellent mechanical strength.A stepped round bar is prepared which is made of precipitation hardening type Ni based heat resistant alloy and which includes: a...  
JP4891421B2
A powdered metal blend mixture for making a powdered metal part especially a valve seat insert. The mixture includes 15 to 30 wt.% of a valve steel powder, 0 to 10 wt.% nickel, 0 to 5 wt.% copper, 5 to 15 wt.% of a ferro-alloy powder, 0 ...  
JP4888460B2
To provide a port structure of an internal combustion engine which realizes smooth inflow of air intake or emission of exhaust without causing complication of the structure. The upstream part of an intake port 11 has a nearly-square cros...  
JP2012036883A
To make a cylindrical piston valve which does not protrude (retreats when viewed from the combustion chamber) into a combustion chamber, though, in a conventional piston valve, the form of a combustion chamber and the form of a piston ar...  
JP4879681B2
To prevent a lean mixture from flowing into a center part region to which a rich mixture is supplied when supplying the lean mixture to a combustion chamber through a main intake port. A stratified combustion type internal combustion eng...  
JP4879171B2
The invention relates to an actuating device that actuates at least one valve pair (1) of an internal combustion engine, housed inside a housing (2) comprising, for each valve (1), magnetizing means (4, 5), at least one spring (6) that a...  
JP2012031757A
To reduce the burden of a worker and to prevent an inspection error by facilitating inspection on the type and loading state of valve springs placed on a cylinder head.The displaced amount (the displaced amount δ of a pin 51a) when the ...  
JP2012031838A
To provide a piston valve not projecting into a combustion chamber during an intake stroke, an exhaust stroke or the like, since the conventional piston valve projects into the combustion chamber during the intake stroke, the exhaust str...  
JP4871293B2
This invention provides a coolant-containing hollow poppet valve, which, in use, in consideration of a temperature distribution caused in each pert of the valve, causes a lowering in fatigue strength and creep strength in the valve at it...  
JP4865670B2  
JP4860669B2  
JP4853636B2
A valve stem seal (1) installed for sealing an annular space (4) between a valve guide (2) having one end facing a cam side (A) and the other end facing a cylinder side (B), and a valve stem (3) coaxially arranged in an inner peripheral ...  

Matches 1,351 - 1,400 out of 6,949