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JP6951552B2 |
An exhaust device for an internal combustion engine mounted on a vehicle, in which a catalyst (42; 72) and a silencer (50; 80) are disposed in an exhaust pipe extending from the internal combustion engine, includes an upstream exhaust ga...
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JP2021165554A |
To provide a technology capable of detecting a rotating angle of a crank shaft while dispensing with an encoder.A detection device for detecting a rotating angle of a crank shaft of an internal combustion engine having a plurality of cyl...
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JP2021161919A |
To achieve the sufficient size reduction of an oil level sensor compared with an oil level sensor structure having a conventional float and a long oscillation arm, to contribute to the size reduction of a fuel supply device, and to make ...
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JP6943592B2 |
To provide a cylinder internal pressure sensor that enables achievement of a seal structure capable of excellently obtaining both of a seal property and a heat release property between a through-hole of a cylinder head and a cylinder int...
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JP6942570B2 |
To provide an intake control device capable of disposing an intake pressure sensor and a coupler with a high degree of freedom, without being restricted by the existence of a motor.An intake control device 1 includes: intake pipes 2a and...
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JP6939217B2 |
Provided is a fuel supply part protection structure for an internal combustion engine for a vehicle. In the case where an external force acts on the front portion of the vehicle from the front to cause the internal combustion engine to m...
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JP6938654B2 |
A combustion pressure sensor comprises a sensor body (9), at least one first optical fibre (1, 2) inserted into the sensor body (9), and a resiliently deformable membrane (7; 13) attached to the sensor body (9). The at least one first op...
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JP6928180B2 |
The present invention improves the detection precision of an exhaust gas sensor in a saddle-type vehicle in which a power unit that includes an internal combustion engine is secured to a vehicle body frame, the exhaust gas sensor being d...
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JP6922492B2 |
To improve exhaust emission control performance and arrange an exhaust gas sensor without impairing detection accuracy of an exhaust gas component.The invention includes: an engine (2) having a cylinder (21a) and a cylinder head (21b) di...
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JP6919176B2 |
A sensor body has a body recess portion, in which a sensor element is housed and the body recess portion opens at a body opening portion. A sensor cover has a cover window which communicates between the intake passage and the body openin...
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JP6918858B2 |
A crank angle detection device for an engine capable of achieving downsizing and enhancing appearance of the engine is provided. A crank angle detection device for an engine that includes a pulsar ring including a plurality of detection ...
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JP6916049B2 |
To secure detection accuracy of a temperature sensor in a general purpose engine. A general purpose engine includes an engine main body (21), an output shaft (22) that outputs a rotation force of the engine main body, a cooling fan (40) ...
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JP6915409B2 |
An intake manifold includes a surge tank and left and right intake pipes. On a part of an outer periphery portion of the surge tank that faces a front direction or a rear direction of a vehicle, a pressure measurement portion to measure ...
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JP6908190B2 |
An engine for a two-wheeled vehicle includes at least one cylinder comprising a combustion chamber and a cylinder head positioned adjacent the combustion chamber. The engine further includes a crankcase coupled to the at least one cylind...
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JP6905637B2 |
An exhaust muffler (24) comprises: an exhaust pipe (31) that forms a flow path for exhaust gas and that includes communication-holes (45) that penetrate the pipe wall; a gas sensor (33) that is attached to the exhaust pipe (31) and that ...
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JP6902072B2 |
To provide a vehicle power unit which can efficiently inhibit disturbance to a pulsar sensor attached to a crank case.A vehicle power unit includes: a crank case 22 supported at the vehicle body side (a vehicle body frame); a pulsar ring...
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JP6899309B2 |
To provide a sensor that reduces gaps between an outer cylinder and an elastic member by tightening, to reduce the gap corrosion of the outer cylinder.In the sensor including a detection element having a detection unit on its rear end si...
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JP6895940B2 |
To obtain a rotation angle detector with which it is possible to maintain the accuracy of detecting the rotation angle of a rotor.The rotation angle detector comprises: a rotor rotating around a revolving shaft, which is a magnetic body ...
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JP6892207B2 |
A sensor unit (20) is provided inside a casing (52) with an intake pressure sensor (94) and an outside air pressure sensor (96), and the intake pressure sensor (94) and the outside air pressure sensor (96) are disposed between a bottom w...
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JP6890735B2 |
To provide a small exhaust gas treatment device capable of highly accurately measuring exhaust gas components while mounted with a plurality of catalysts.In an exhaust gas treatment device 10, a measuring section 41 of an air-fuel ratio ...
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JP6888279B2 |
To provide a sensor mounting structure which effectively prevents a sensor from contacting with a vehicle body part and other components by reducing the height of protrusion of the sensor from an outer periphery of a pipe.A mounting stru...
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JP6879160B2 |
An intake pipe includes a cylindrical pipe main body, a flange, which is provided on an end of the pipe main body in an axial direction and protrudes radially outward about an axis of the pipe main body from an outer surface of the pipe ...
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JP2021071086A |
To provide an exhaust sensor arrangement structure capable of avoiding a defect due to attachment and deposition of soot.An exhaust sensor arrangement structure, to arrange an exhaust sensor 57 detecting pressure of exhaust gas generated...
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JP6866420B2 |
To compactly arrange exhaust sensors and exhaust pipes, to secure a bank angle, and to accurately detect exhaust emission by a small number of the exhaust sensors.In an aggregation part 60, exhaust pipes 51, 52, 53, and 54 are arranged i...
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JP6864714B2 |
To provide a crank shaft attachment structure of a pulsar member which enables downsizing and reduction of work hours of processing and assembly while maintaining timing detection accuracy by the pulsar member.In a crank shaft attachment...
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JP6856425B2 |
To provide a structure of an internal combustion engine which can prevent size increase of the internal combustion engine itself even if a size of a detected body is increased.An internal combustion engine 23 includes: a crank shaft 36 w...
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JP6848442B2 |
To suppress the breakage of a sensor when fully closing the valve element of an exhaust throttle valve and injecting liquid from an injector.An exhaust system for an internal combustion engine includes an exhaust pipe 5 defining an exhau...
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JP2021042734A |
To detect a change of fuel properties.A control device for controlling an internal combustion engine 1 using natural gas as fuel includes: a lambda sensor 23 provided in an exhaust passage 2 of the internal combustion engine; and a contr...
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JP6841142B2 |
To provide a fitting device in which an increase in body size is suppressed, and to provide a fuel injection device.A fitting device includes: a clamp 21 for fixing an injector 10 provided with physical amount sensor 13, 14 for detecting...
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JP6839445B2 |
To utilize an L jetronic air flow sensor having already been mounted on a vehicle as it is, to easily change characteristics of the vehicle (e.g. improve accelerator response).This invention relates to an adjusting tool that is retrofitt...
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JP6836653B2 |
This internal combustion engine is provided with: an annular plate (54) formed annularly around a crank journal (51) and disposed on the outer surface of a crank web (53); a cover plate (61) which is continuous from the inner periphery o...
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JP6839326B2 |
Provided is an exhaust structure of a saddle-ridden vehicle which makes it possible for a catalyst to be readily activated while the bank angle of the vehicle is maintained. A motorcycle is provided with: a fuel tank 56 disposed below a ...
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JP6835003B2 |
To provide a control device for engine which can suppress generation of knocking while improving fuel efficiency.An engine which performs a compression self-ignition combustion in which a mixed gas of fuel containing petrol and air are s...
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JP2021021347A |
To provide an exhaust device of an engine which can enhance the detection accuracy of a specified component in exhaust emission at each cylinder by one sensor.An exhaust device 38 of a multicylinder engine E comprises: exhaust pipes 28 c...
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JP6816199B2 |
A saddle riding vehicle includes a body frame, an engine supported by the body frame, an exhaust sensor that detects exhaust air of the engine, and a radiator for the engine. The engine is supported by an engine hanger portion disposed i...
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JP6818058B2 |
To provide an exhaust unit capable of protecting a catalyst from inflow of moderately high-temperature exhaust.An exhaust unit 35 comprises a silencer 44 that is connected to an internal combustion engine 27 by an exhaust pipe Xp and sil...
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JP2021004573A |
To improve the detection accuracy of a sensor attached to an exhaust pipe, in a vehicle in which an engine is placed while being shifted to a single side from a center in a vehicle width direction.An exhaust system 100 comprises: an exha...
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JP6798367B2 |
To provide a technology which can properly determine an abnormality of air-fuel ratio feedback control in each of the case that a target air-fuel ratio is rich and the case that the target air-fuel ratio is lean.An ECU 1 as an engine con...
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JP6785986B2 |
Various embodiments include a method for detecting deviations occurring in the valve drive of an internal combustion engine comprising: measuring dynamic pressure oscillations of intake air in an air intake tract of respective internal c...
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JP6787937B2 |
To provide a crank shaft capable of arranging a reluctor coaxially with a rotational axis with high accuracy.A crank shaft 48 comprises: a crank web 53 having a gravity center position adjusted based on a counter-weight 51b arranged at a...
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JP6787830B2 |
An internal combustion engine includes a crankshaft that has a journal linked to a bearing and is rotatably supported on the crankcase, a power transmission gear fixed to an extremity of the crankshaft that has a smaller diameter than a ...
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JP6783819B2 |
To provide a sensor capable of specifying a position in the rotating direction of a sensor itself for a sensor fixing part in the sensor configured to be mounted on the sensor fixing part by screwing by a screwed pinching part.A sensor o...
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JP6784158B2 |
To provide a strain detection sensor with which it is easy to improve detection sensitivity.A strain detection sensor 1 includes a pair of input displacement units 2, a plurality of output displacement units 3 and a displacement amount d...
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JP6779137B2 |
Provided is a combustion pressure sensor that detects combustion pressure inside a combustion chamber of an internal-combustion engine, said combustion pressure sensor provided with a sensor body that has: a cylindrical housing that can ...
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JP6781347B2 |
An internal combustion engine for being mounted laterally on a saddle-type vehicle includes an AC generator disposed on an end portion of a crankshaft which is supported in a crankcase. An ACG cover covers the AC generator from outside w...
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JP6777015B2 |
There is provided an air cleaner including: an outlet pipe through which air is discharged; an airflow meter that is inserted toward an interior of the outlet pipe through a wall of the outlet pipe; and a flow-regulating member that is f...
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JP6771359B2 |
To provide a knock sensor arrangement structure of a motor cycle which can improve knocking detection accuracy.In an engine E of a motor cycle, a crank case 28, a cylinder 30, and a cylinder head 32 are connected by head bolts 31. An int...
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JP6772082B2 |
A gas sensor (100) includes a sensor element (120), a metallic shell (110), a powder filler member (133), a first ceramic holder (135) in contact with the rear end of the powder filler member and from which the sensor element protrudes, ...
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JP6764770B2 |
To reduce errors of output values that are attributed to thermal expansion of a pressure reception unit receiving pressure.A pressure detection device, which detects combustion pressure in a combustion chamber in an internal combustion, ...
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JP2020133508A |
To effectively improve a fluid flow speed while suppressing a rise of back pressure.A flow passage structure comprises: a flow passage main body part 41 for making fluid circulate therein; a partitioning wall 50 for partitioning the insi...
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