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JP3953539B2 |
PURPOSE: To facilitate mounting a solenoid valve in a fuel injection pump without performing positioning, by arranging an external thread part formed in the periphery of a housing, valve body receiving hole and an opening part of a fluid...
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JP3940180B2 |
PURPOSE: To provide a distributing type fuel injection pump which provides more constant and stable fuel injection amount. CONSTITUTION: A distribution passage 16 which communicates with each cylinder of an internal combustion engine is ...
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JP3918767B2 |
To provide a fuel injection device including a servo timer mechanism and a load timer mechanism with reverse advance characteristics, and capable of preventing occurrence of erosion. The load timer mechanism includes a bypass passage 76 ...
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JP2007100703A |
To provide an advance arrangement capable of timing adjustment without affecting light load control spring pre-load.An advance arrangement comprises an advance piston 12 slidable within a first bore 14, a servo piston 24 slidable in the ...
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JP3906775B2 |
To solve the problem in the conventional reverse-characteristic load- timer to be mounted on a distributor-type fuel injection pump that a great hysteresis is exhibited in retard characteristics at the time of load increase and advance c...
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JP3900505B2 |
To provide a fuel injection pump satisfactorily suppressing the seating sound of a coupling. A coupling 3 is moved in the axial direction by the reciprocating motion of a face cam 4, the coupling 3 is seated on the end section 13 a of a ...
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JP3893707B2 |
To provide a pump capable of easily and surely controlling flow rate fed to an accumulator piping even when the engine speed is increased and oil transfer rate of the pump is high without oversizing the device, increasing electric power,...
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JP3884665B2 |
To solve the disadvantage of an accumulator-distributor type fuel injection pump which requires high precision machining and operation of each component member because of high pressure fuel injection to pose a corresponding increase in m...
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JP3877295B2 |
To solve the disadvantage of an injection control valve of an accumulator-distributor type fuel injection pump, because a combustion pressure change and a slight change in the shape of the injection control valve change movement of the i...
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JP3878888B2 |
To solve problems in a conventional injection control valve for fuel injection control wherein a space for storing a valve element is bored facing the mating face of upper and lower blocks and after storing the valve element in the space...
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JP3859034B2 |
To provide a distributing type fuel injection pump capable of easily and securely preventing an excessive fuel injection due to a full close trouble of a spill solenoid valve. A distributing type fuel injection pump is formed so that a f...
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JP3856169B2 |
To provide a distributor type fuel injection pump which suppresses the cost of production without installing a fuel pressure measuring hole anew for a fuel gallery. A mounting member 50 is screwed tight in a distribution head 11 after sc...
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JP3854899B2 |
To provide a device for supplying fuel of an internal combustion engine capable of selectively stopping the part of injection valves. Each injection valve disposed for each cylinder of the internal combustion engine has at least one flow...
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JP3849259B2 |
To facilitate inspection of an injection maximum pressure by unevenness in a machine difference by a novel constitution. A pump 1 is provided with an electromagnetic spill valve 22 to intercommunicate a pump 11 to pressurize fuel through...
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JP3845044B2 |
To solve the problem that, although an injection control valve for controlling a fuel injection heretofore opens a space for housing a valve disk oppositely to opposing surfaces of upper and lower blocks, housing the disk in the space an...
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JP3815198B2 |
To provide a fuel injection pump for an engine that emits less noise and offers an appreciable cutoff of fuel injection. The fuel injection pump for an engine has a first fuel passage 8a in communication with a pressure chamber 4 formed ...
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JP3812695B2 |
To provide a fuel injection pump capable of preventing the breakage of a spring for a fuel control valve in a simple structure and supplying a preset pressure of fuel to a fuel pressure means. An inlet port 36, a relief port 37 and a dam...
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JP3796793B2 |
To provide a timer device of a fuel injection pump, eliminate collision of a timer piston against a timer low pressure chamber side cover or a timer high pressure chamber side cover at the time of the extreme spark advance to the extreme...
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JP3783147B2 |
To confine breakage to only that on the an injection pump side and extremely reduce a fear of breakage occurring to an engine by a method wherein a brittle part, having strength being relatively lower, is arranged at the rotary member of...
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JP3779032B2 |
To improve the assembly property by providing at least one part in which a cam for driving a plunger is not interfered with a bevel gear on the distributor shaft drive shaft side in assembling a cam shaft. A bevel gear 19 is fixed to a l...
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JP3774905B2 |
PURPOSE: To enable achieving optimum combustion by performing injection timing feedback control appropriately to suit injection rate characteristics. CONSTITUTION: A fuel injection pump 1 which force-feeds fuel to a fuel injection nozzle...
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JP3765325B2 |
To reduce combustion noise in a low super charging state by controlling the quantity of pilot fuel injection and the timing of pilot fuel injection in response to the output of an intake air quantity detecting means in a device where a p...
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JP3760486B2 |
To prevent a leak of fuel from a seal part in a rotary shaft, in a fuel pump. Oil seals 70, 71, interposed between an external peripheral surface of a rotary shaft 16 and an internal peripheral surface of a casing 13 supporting this rota...
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JP3759291B2 |
To enhance the starting ability by surely locating a timer piston at an injection timing position upon a start with the use of a simple and inexpensive structure. A timer piston 39 has a low pressure chamber 39a communicated with the ups...
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JP3755170B2 |
To realize the high pressurization of the injected fuel by reducing the dead volume. In a distribution type fuel injection pump 1 of face cam type, one opening end (the right end in the figure) of a cylinder 11 is closed by a head plug 1...
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JP3755211B2 |
To prevent occurrence of abrupt reduction of a torque even when operation of an accelerator pedal is abruptly stopped in a diesel engine provided with a load sensing timer. A ring valve 9 which can block an orifice 9 is arranged on a gov...
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JP3745999B2 |
To solve the problem of a current accumulator distribution type fuel injection pump that pressure inside an accumulator chamber is fluctuated by the influence of a reflected wave or the like after finishing an injection and closing an in...
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JP3746392B2 |
To improve accuracy of fuel injection by suitably decreasing the effects due to fluctuation of a battery voltage. A fuel injection pump 10 feeds fuel to a fuel injection nozzle 24, according to electrification to an electromagnetic solen...
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JP3744290B2 |
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JP3740726B2 |
To stabilize the behavior of a valve element and realize fuel injection operation with high accuracy. A cylindrical needle body 58 is inserted in a through hole 12a provided in a part of a cylinder 12, and a needle valve 59 as a valve el...
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JP3738064B2 |
To simply and positively close a longitudinal bore. A cylindrical pin 45 is arranged as a closing member and is fit so as to fix with respect to sliding into a bore crossed with a longitudinal bore 37 extending to the horizontal directio...
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JP3735888B2 |
PURPOSE: To provide stable controllability with good response for the fuel injection timing using a timer piston. CONSTITUTION: A high pressure chamber 21 and a low pressure chamber 23 at the two ends of a timer piston 8 are put in commu...
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JP3737127B2 |
PCT No. PCT/DE96/02380 Sec. 371 Date Dec. 22, 1997 Sec. 102(e) Date Dec. 22, 1997 PCT Filed Dec. 11, 1996 PCT Pub. No. WO97/40272 PCT Pub. Date Oct. 30, 1997A fuel injection device which has a solenoid valve whose valve member is provide...
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JP3734757B2 |
To provide a fuel injection pump capable of integrally assembling a sub mechanism for storing a cam shaft and a pump driving shaft, a hydraulic head sub mechanism for storing a plunger, a control sleeve, and a distribution means, and a g...
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JP3714373B2 |
To accurately control all the time the operation of an engine to a target fuel infection timing by varying feed back control constant according to the stroke of a timing control valve. A fuel injection timing control device is equipped w...
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JP2005307790A |
To remove foreign matter mixed in fluid.A fluid control device is provided with an electromagnetic valve for changing seating and disengaging of a needle of an injector for injecting high pressure fuel supplied from a common rail, in mid...
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JP2005307744A |
To provide an exhaust emission control device capable of efficiently burning and removing the caught PM of a continuous regeneration type diesel particulate filter.This exhaust emission control device is provided with an oxidation cataly...
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JP3700866B2 |
To prevent generating injection inferiority of an injection pump based on generating foreign matter of cutting chip or the like by improving sealability of a hydraulic timer device, and facilitating assembly manufacture, in the hydraulic...
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JP3694920B2 |
PURPOSE: To reduce a combustion noise and vibration of an engine by arranging an injection control means to control injection time and an injection rate on the basis of a signal from an engine operating condition detecting means and sign...
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JP3683047B2 |
To maintain acceleration properties and exhaust characteristics in an excellent state and to suppress the generation of diesel knock noise. Fuel injection control during acceleration of a diesel engine having a turbo charger is executed....
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JP3651044B2 |
A cam plate pump comprises a pressurizing chamber formed by a bellows which elongates and contracts along a center axis parallel to the input shaft of the pump. The cam plate rotates together with the input shaft, and compresses the bell...
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JP3648195B2 |
To solve the problem of a fuel accumulator chamber that it is hard to perform finishing to the fuel accumulator chamber needing inner surface roughness of high accuracy and that the pressure resistance thereof is insufficient because of ...
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JP3647478B2 |
PURPOSE: To obtain definite NE (corresponding to engine rotation) pulse during the low rotation of an engine. CONSTITUTION: A rotation sensor 9 is fitted to a sensor fitting ring 39 positioned between a signal rotor 3 and a roller ring 9...
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JP3647476B2 |
PURPOSE: To provide a fuel feeding pressure regulating device which maintains a feeding pressure regulating function for fuel even when a feeding pressure from a feed pump largely fluctuates. CONSTITUTION: A cylindrical valve body 41 is ...
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JP3647452B2 |
PCT No. PCT/DE94/01390 Sec. 371 Date Jun. 29, 1995 Sec. 102(e) Date Jun. 29, 1995 PCT Filed Nov. 24, 1994 PCT Pub. No. WO95/15434 PCT Pub. Date Jun. 8, 1995A fuel-injection pump of the distributor type has a distributor shaft which is co...
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JP3643188B2 |
To spark-advance control with favourable responsibility at target injection starting time concerning an injection timing control device of an electronically controlled diesel engine to carry out injection starting timing control by using...
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JP2005509780A |
The present invention relates to a pumping unit for supplying fuel to a fuel injection device of a self-igniting internal combustion engine. The pumping unit is provided with a drive shaft (3) having a claw-shaped protrusion (6) on an en...
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JP2005509782A |
A pump element and a piston pump for generating high fuel pressure are proposed, in which tilting of the piston base relative to a drive shaft is effectively suppressed, so that the service life of the high-pressure fuel pump is increased.
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JP3630076B2 |
To prevent seizure, wear or the like of the valve member or the valve body in a valve device for controlling the influx and outflow of fluid having a low lubricative property like a spill valve of a fuel injection pump The valve body 21 ...
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JP3629754B2 |
PURPOSE: To reduce burning noise during warming-up and improve combustion characteristics by controlling the initial fuel injection rate according to the warming-up condition of an engine. CONSTITUTION: This controller is provided with a...
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