WO2019049849A1 - 内燃機関 - Google Patents
内燃機関 Download PDFInfo
- Publication number
- WO2019049849A1 WO2019049849A1 PCT/JP2018/032713 JP2018032713W WO2019049849A1 WO 2019049849 A1 WO2019049849 A1 WO 2019049849A1 JP 2018032713 W JP2018032713 W JP 2018032713W WO 2019049849 A1 WO2019049849 A1 WO 2019049849A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- internal combustion
- combustion engine
- crank
- annular plate
- crank web
- Prior art date
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 52
- 238000001514 detection method Methods 0.000 claims abstract description 47
- 230000033001 locomotion Effects 0.000 claims abstract description 6
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 56
- 239000010687 lubricating oil Substances 0.000 description 16
- 230000005540 biological transmission Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 239000002828 fuel tank Substances 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 125000002066 L-histidyl group Chemical group [H]N1C([H])=NC(C([H])([H])[C@](C(=O)[*])([H])N([H])[H])=C1[H] 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000011896 sensitive detection Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/08—Safety, indicating, or supervising devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
- F16C3/06—Crankshafts
- F16C3/14—Features relating to lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C9/00—Bearings for crankshafts or connecting-rods; Attachment of connecting-rods
- F16C9/02—Crankshaft bearings
Definitions
- an annular plate is formed around the crank journal and is formed around the crank journal continuously from an inner periphery of the annular plate and an annular plate disposed on the outer surface of the crank web. And a cover plate forming an oil sump connected to the oil passage partitioned in the crankpin, and an oil sump partitioned in the outer peripheral surface of the crank journal and formed in the oil chamber formed on the outside of the bearing.
- the present invention relates to an internal combustion engine including a groove forming an oil passage to be connected.
- Patent Document 1 discloses a control device of an internal combustion engine.
- the internal combustion engine is configured in a single cylinder.
- the controller detects a misfire caused by an over lean air-fuel ratio in a single-cylinder internal combustion engine.
- it is determined whether or not the amount of change in angular velocity of the crankshaft exceeds a predetermined threshold value between the preceding and subsequent combustion cycles.
- the controller estimates the misfire of the internal combustion engine when the number of times the variation exceeds the threshold reaches a prescribed number of times among the preset number of cycles.
- the present invention has been made in view of the above-described situation, and an object of the present invention is to provide an internal combustion engine capable of accurately detecting the angular velocity of a crankshaft while avoiding an increase in size of an engine main body.
- the internal combustion engine is fitted with a cylinder block coupled to the crankcase and a cylinder bore of the cylinder block to guide the slide of the piston
- a liner is provided, and the cylinder liner is formed with a notch that constitutes a relief of the detected object.
- the internal combustion engine is screwed onto the crank web, passes through an opening pierced in the annular plate, A fastening member for fixing a plate, and a regulating member which is fitted to the crank web and the annular plate and regulates the displacement of the annular plate along the surface of the crank web.
- the crank web has, on the back side of the outer side, an inner side for causing a balance weight to be protruded at a position offset from a pin hole for receiving the crank pin.
- the crank web is formed with a fastening hole for receiving the fastening member at a position offset from the balance weight.
- the detection target is arranged in a ring around a rotation axis of the crankshaft, and the plurality of detection objects read by the detection sensor
- the detection sensor is mounted on the crankcase while being oriented to the vertical direction of the vehicle perpendicular to the ground when mounted on the vehicle while being directed to the rotational axis of the crankshaft.
- a link portion connected to the vehicle body frame in front of a rear wheel of the vehicle protrudes upward in the crankcase, and the detection sensor detects the link It is disposed at the rear of the section and in front of the rear wheel.
- the detection sensor is offset in the vehicle width direction with respect to the center line of the rear wheel orthogonal to the axle of the rear wheel.
- the lubricating oil introduced into the oil chamber flows along the outer periphery of the crank journal and flows into the oil reservoir.
- the lubricating oil in the oil reservoir is retained in the oil reservoir by the action of the centrifugal force of the crank web.
- the lubricating oil flows from the oil reservoir into the oil passage in the crankpin. From there, lubricating oil is supplied to the contact area between the crank pin and the connecting rod.
- lubrication is realized in the contact area between the crank pin and the connecting rod. Since the detection target is provided on the outer periphery of the annular plate disposed on the outer surface of the crank web in forming the oil reservoir, no additional member is added between the crank web and the bearing. Axial enlargement of the internal combustion engine can be avoided. Moreover, since the existing parts are diverted, the angular velocity of the crankshaft can be detected without increasing the number of parts.
- the crank journal and the crank web form a crankshaft.
- the crankshaft can be brought close to the combustion chamber, and the enlargement of the internal combustion engine can be suppressed. Can.
- the restricting member restricts the circumferential displacement of the annular plate along with the rotation of the crankshaft along the surface of the crank web. As a result, the circumferential displacement between the crank web and the detected body can be avoided. The angular velocity of the crankshaft can be accurately detected.
- the crank web when attaching the annular plate to the crank web, by providing the fastening holes at a position offset from the balance weight of the crank web, the crank web without complicating the shape of the balance weight of the crank web Can be coupled to the
- the passage of the reactor piece can be accurately detected. Further, since the detection sensor is attached to the clan case inclined from the vertical direction of the vehicle, the protrusion of the detection sensor can be suppressed in the height direction, and the detection sensor can be disposed without interfering with the vehicle components.
- the detection sensor is disposed between the link portion of the internal combustion engine and the rear wheel, it is possible to protect the front and the rear with vehicle parts without providing the protection cover on the detection sensor. .
- FIG. 1 is a side view schematically showing an entire configuration of a scooter which is a specific example of a saddle-ride type vehicle according to an embodiment of the present invention.
- FIG. 2 is an enlarged sectional view of the internal combustion engine.
- FIG. 3 is an enlarged plan view of the crankcase observed from above.
- FIG. 4 is an enlarged sectional view of a crankshaft
- FIG. 5 is (a) an enlarged plan view of an annular plate and a cover plate having a detection object, (b) an enlarged plan view of a first surface of the crank web, (c) a second surface of the crank web Is an enlarged plan view of FIG.
- FIG. 6 is an enlarged partial sectional view of the annular plate and the cover plate showing the bolt.
- FIG. 7 is an enlarged partial sectional view of an annular plate and a cover plate showing a knock pin.
- FIG. 8 is an enlarged sectional view of a crankshaft according to another embodiment.
- front and rear, right and left, and upper and lower mean directions as viewed from the rider of the motorcycle.
- FIG. 1 schematically shows the entire configuration of a scooter 11 which is a specific example of a saddle-ride type vehicle (motorcycle).
- the scooter 11 is provided with a body frame 12.
- the body frame 12 is formed of a head pipe 13, a down tube 14 extending downward from the head pipe 13, and a pair of left and right side frames 15 extending rearward from the lower end of the down tube 14.
- a front fork 16 and a steering handle 17 are rotatably supported by the head pipe 13.
- the front fork 16 supports a front wheel WF rotatably around an axle 18.
- the side frame 15 includes a down frame portion 15a extending downward from the lower end of the down tube 14, a lower frame portion 15b extending parallel to the ground from the rear end of the down frame portion 15a, and a rear end up from the rear end of the lower frame portion 15b. And a seat rail portion 15c extending above the rear wheel WR. An occupant seat 19 is supported on the seat rail portion 15c.
- the scooter 11 includes a body cover 21 that covers the body frame 12.
- a floor 22 is defined on the lower frame portion 15 b of the side frame 15 between the head pipe 13 and the passenger seat 19.
- the fuel tank 23 is supported by the lower frame portion 15 b below the floor 22.
- a storage box 24 is supported by the seat rail portion 15 c in the vehicle body cover 21. The storage box 24 is opened and closed by a passenger seat 19.
- a rear wheel WR is supported at the rear end of the power unit 25 so as to be rotatable about an axle 29.
- a rear cushion unit 31 is attached between the rear end of the power unit 25 and the rear end of the seat rail portion 15c.
- the power unit 25 has a function of a suspension device that connects the rear wheel WR to the vehicle body frame 12 in a swingable manner.
- An engine body 32 of the internal combustion engine 27 includes a crankcase 34 accommodating a crankshaft, which will be described later, rotatably about the rotation axis 33, and a cylinder block 35 coupled to the crankcase 34 and having the cylinder axis C inclined forward.
- a cylinder head 36 coupled to the cylinder block 35 and a head cover 37 coupled to the cylinder head 36 are provided.
- Connected to the cylinder head 36 are an intake system 38 for introducing an air-fuel mixture into the combustion chamber and an exhaust system 39 for discharging the gas after combustion from the combustion chamber.
- the transmission 28 includes a continuously variable transmission (not shown) housed in a transmission case 41 integrated with the crankcase 34 of the engine body 32.
- the link mechanism 26 includes a link member 43 connected to a bracket 42 fixed to the seat rail 15 c of the side frame 15 above the crankcase 34.
- the link member 43 is rotatably coupled to the bracket 42 about an axis parallel to the axle 29.
- a link portion 34a projecting upward from the upper portion of the crankcase 34 is similarly rotatably connected about an axis parallel to the axle shaft 29.
- the internal combustion engine 27 includes a piston 45 incorporated in the cylinder block 35.
- the piston 45 is accommodated in a cylinder bore 46 defined in the cylinder block 35 with the cylinder axis C inclined forward.
- the cylinder block 35 is formed with a single cylinder bore 46 for receiving a single piston 45.
- a cylinder liner 47 for guiding the slide of the piston 45 is fitted in the cylinder bore 46.
- the end 47 a of the cylinder liner 47 projects into the crankcase in the crankcase 34.
- a combustion chamber is defined between the piston 45 and the cylinder head 36.
- the internal combustion engine 27 comprises a crankshaft 48.
- the crankshaft 48 has a crank journal 51 connected to the crankcase 34 by a bearing 49 so as to be rotatable about its axis, and a crank web 53 for holding the crank pin 52.
- An annular plate 54 formed annularly around the crank journal 51 coaxially with the rotation axis 33 is coupled to the crankshaft 48.
- An annular plate 54 is superimposed on the outer surface of the crank web 53.
- a detection object 55 protruding radially outward is continuous with the outer periphery of the annular plate 54.
- the to-be-detected body 55 is provided with a plurality of reactor pieces (gear teeth) 53 a arranged at equal intervals annularly around the rotation axis 33 of the crankshaft 48.
- the relaxor pieces 55a are arranged, for example, at every central angle of 10 degrees.
- the retractor piece 55a is made of, for example, a magnetic material.
- the end 47 a of the cylinder liner 47 is formed with a notch 56 which constitutes a relief of the detection object 55.
- the internal combustion engine 27 is provided with a connecting rod 57.
- the connecting rod 57 is connected to the piston 45 at one end and to the crankshaft 48 at the other end.
- the other end of the connecting rod 57 is rotatably coupled to the crankpin 52 about the axial center of the crankpin 52.
- the axial linear motion of the piston 45 is converted to the rotational motion of the crankshaft 48 by the action of the connecting rod 57.
- the internal combustion engine 27 is provided with a pulsar sensor (detection sensor) 58 facing the annular trajectory of the detection subject 55 and generating a pulse signal according to the movement of the detection subject 55.
- the pulsar sensor 58 is inserted from the outside into a sensor hole drilled in the crankcase 34 and attached to the crankcase 34.
- the pulsar sensor 58 is held in an inclined posture with respect to the vertical direction of the vehicle orthogonal to the ground GD.
- the pulsar sensor 58 is disposed rearward of the link portion 34a in front of the rear wheel WR in a side view of the vehicle.
- the pulsar sensor 58 faces the crank chamber at the tip for detecting the magnetic substance.
- the most sensitive detection axis 58a is directed to the rotation axis 33.
- the pulsar sensor 58 outputs an electrical signal according to the presence or absence of the magnetic substance detected on the trajectory of the detection target 55.
- the pulsar sensor 58 outputs a pulse signal that specifies the angular position of the crankshaft 48.
- the pulsar sensor 58 is disposed offset in the vehicle width direction with respect to the center plane 59 of the rear wheel WR orthogonal to the axle of the rear wheel WR.
- the center plane 59 constitutes, for example, a symmetrical plane of symmetry with respect to the rear wheel WR (in particular, the tire).
- the crankshaft 48 is provided with a pair of left and right crank webs 53.
- the individual crank webs 53 face the corresponding bearings 49 on the outer side.
- a cover plate 61 annularly formed around the crank journal 51 coaxially with the rotation axis 33 is continuous with the inner periphery of the annular plate 54.
- the cover plate 61 forms an oil reservoir 62 between the cover plate 61 and the outer surface of the crank web 53.
- the oil reservoir 62 is connected to an oil passage 63 defined in the crankpin 52 along the axial center of the crankpin 52.
- the inner periphery of the cover plate 61 forms an annular gap, that is, an inlet for lubricating oil around the crank journal 51.
- the inner periphery of the cover plate 61 may be in contact with the inner ring of the bearing 49.
- the cover plate 61 cooperates with the annular plate 54 to constitute a centrifugal oil filter.
- the centrifugal oil filter filters foreign substances in the lubricating oil based on the centrifugal force during the rotation of the crank web 53.
- a supply passage 64 extending in the radial direction (direction orthogonal to the axis) from the oil passage 63 is defined.
- the outer end of the supply passage 64 opens to the bearing of the connecting rod 57.
- the lubricating oil of the oil reservoir 62 is supplied to the bearing of the connecting rod 57 through the oil passage 63 and the supply passage 64.
- An oil seal 65 is disposed between the crankshaft 48 and the crankcase 34 outside the bearing 49.
- the crankcase 34 forms an oil chamber 66 between the oil seal 65 and the bearing 49 around the crankshaft 48.
- the tip of an oil passage 67 extending from an oil pump opens.
- the oil chamber 66 is supplied with lubricating oil by the function of an oil pump.
- An axially extending groove 68 is defined on the outer peripheral surface of the crank journal 51.
- the groove 68 traverses at least the inner ring of the bearing 49 in the axial direction.
- the groove 68 forms an oil passage connecting the oil sump 62 to an oil chamber 66 formed on the outside of the bearing 49 with the inner ring of the bearing 49.
- the lubricating oil supplied from the oil pump to the oil chamber 66 is introduced into the oil reservoir 62 from the groove 68.
- the crank web 53 has an inner side surface on the back side of the outer side surface for causing the balance weight 71 to project at a position offset from the pin hole 69 for receiving the crank pin 52.
- a fastening hole 72 is formed in the crank web 53 at a position offset from the balance weight 71.
- a screw groove is formed on the inner peripheral surface of the fastening hole 72.
- a bolt (fastening member) 74 for fixing the annular plate 54 to the crank web 53 through a circular opening 73 drilled in the annular plate 54. Shaft is screwed.
- the opening 73 of the annular plate 54 has a cross section with a diameter larger than the axial diameter of the bolt 74.
- a knock pin (regulating member) 75 is fitted to the crank web 53 and the annular plate 54.
- the knock pin 75 has an axis parallel to the axis of the crankshaft 48.
- the pin holes 76a and 76b of the dowel pin 75 are respectively defined by the crank web 53 and the annular plate 54 in mating surfaces that contact each other.
- the dowel pin 75 regulates the displacement of the annular plate 54 along the surface of the crank web 53.
- one or two dowel pins 75 pin holes 76 a) may be disposed for each fastening hole 72.
- An oil jet 77 is disposed on the crankcase 34 radially outside the crank web 53.
- the oil jet 77 jets the lubricating oil in the cylinder 46 toward the piston 45.
- the oil jet 77 can be supplied with lubricating oil from, for example, an oil pump (not shown) interlocked with the rotation of the crankshaft 48.
- the lubricating oil is introduced into the oil chamber 66 by the action of the oil pump.
- the lubricating oil flows along the outer periphery of the crank journal 51 and flows into the oil reservoir 62.
- the lubricating oil in the oil reservoir 62 is held in the oil reservoir 62 by the action of the centrifugal force of the crankshaft 48.
- the lubricating oil flows from the oil reservoir 62 into an oil passage 63 in the crank pin 52.
- Lubricating oil is supplied from the oil passage 63 through the supply passage 64 to the contact area between the crank pin 52 and the connecting rod 57.
- lubrication is realized in the contact area between the crank pin 52 and the connecting rod 57.
- the detected body 55 rotates integrally with the crankshaft 48.
- the retractor piece 55 a of the detection object 55 moves around the rotation axis 33 along an annular orbit coaxial with the rotation axis 33.
- the pulsar sensor 58 alternately faces the reactor piece 55a and the space, detects a magnetic substance of the reactor piece 55a, and generates a pulse signal. Since the retractor pieces 55a are arranged at equal intervals, the time interval of the pulses fluctuates corresponding to the angular velocity.
- the detection target 55 is coupled to the outer periphery of the annular plate 54 superimposed on the outer surface of the crank web 53 in forming the oil reservoir 62, an additional member is added between the crank web 53 and the bearing 49. However, upsizing of the internal combustion engine 27 in the axial direction of the crankshaft 48 is avoided. Moreover, since the existing parts are diverted, the angular velocity of the crankshaft 48 can be detected without increasing the number of parts.
- the notch 56 is formed in the cylinder liner 47.
- the notch 56 constitutes a relief of the detection object 55.
- An opening 73 is pierced in the annular plate 54 for fixing.
- the dowel pin 75 regulates the displacement of the annular plate 54 along the surface of the crank web 53. As a result, the deviation between the crank web 53 and the detection object 55 is avoided. The angular velocity of the crankshaft 48 is accurately detected.
- the fastening hole 72 is disposed at a position offset from the balance weight 71.
- the crank hole 53 is provided at a position offset from the balance weight 71 of the crank web 53 so that the crank web 53 does not have a complicated shape of the balance weight 71.
- the object 55 can be coupled to the sensor 53.
- the reactor piece 55 a of the detection subject 55 protrudes from the main body of the detection subject 55 in the centrifugal direction.
- the pulsar sensor 58 points to the rotational axis 33 of the crankshaft 48. In this manner, when the detection axis 58a is directed to the rotation axis 33 of the crankshaft 48, the passage of the reactor piece 55a can be accurately detected.
- the pulsar sensor 58 is attached to the crankcase 34 by being inclined with respect to the vehicle vertical direction orthogonal to the ground GD when mounted on the scooter 11, the protrusion of the pulsar sensor 58 in the height direction is suppressed. And the pulsar sensor 58 can be arranged without interfering with the vehicle parts.
- the pulsar sensor 58 is disposed offset in the vehicle width direction with respect to a central surface 59 of the rear wheel WR orthogonal to the axle 29 of the rear wheel WR. It is possible to make it difficult for the pulsar sensor 58 to be hit by water droplets that are splashed up along the center of the rear wheel WR in the vehicle width direction.
- the left crank web 53 on the opposite side of the cam chain 78 is provided not only with the annular plate 54 and the detection object 55, but also as shown in FIG.
- the annular plate 54 and the detection object 55 may be provided on the right crank web 53 on the chain 78 side.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
Description
33…(クランクシャフトの)回転軸線
34…クランクケース
34a…リンク部
35…シリンダーブロック
45…ピストン
46…シリンダーボア
47…シリンダーライナー
49…軸受
51…クランクジャーナル
52…クランクピン
53…クランクウエブ
54…環状板
55…被検知体
55a…リラクター片
56…欠け
58…検知センサー(パルサーセンサー)
61…覆い板
62…油溜まり
63…油路
66…油室
68…溝
69…ピン孔
71…バランスウエイト
72…締結孔
73…開口
74…締結部材(ボルト)
75…規制部材(ノックピン)
GD…地面
WR…後輪
Claims (7)
- 軸心回りで回転自在にクランクケース(34)に軸受(49)で連結されるクランクジャーナル(51)と、
前記クランクジャーナル(51)に結合されて、クランクピン(52)を保持し、前記軸受(49)に向き合う外側面を有するクランクウエブ(53)と、
前記クランクジャーナル(51)周りで環状に形成されて、前記クランクウエブ(53)の外側面に配置される環状板(54)と、
前記環状板(54)の内周から連続して前記クランクジャーナル(51)周りで環状に形成され、前記クランクウエブ(53)の外側面との間に、前記クランクピン(52)内に区画される油路(63)に接続される油溜まり(62)を形成する覆い板(61)と、
前記クランクジャーナル(51)の外周面に区画されて、前記軸受(49)の外側に形成される油室(66)に前記油溜まり(62)を接続する油路を形成する溝(68)と、
前記環状板(54)の外周から連続して、前記クランクウエブ(53)の外周から径方向外側に突き出る被検知体(55)と、
前記被検知体(55)の軌道に向き合わせられて前記被検知体(55)の動きに応じてパルス信号を生成する検知センサー(58)と
を備えることを特徴とする内燃機関。 - 請求項1に記載の内燃機関において、
前記クランクケース(34)に結合されるシリンダーブロック(35)と、
前記シリンダーブロック(35)のシリンダーボア(46)に嵌め合わせられて、ピストン(45)のスライドを案内するシリンダーライナー(47)とを備え、
前記シリンダーライナー(47)に、前記被検知体(55)の逃げを構成する欠け(56)が形成される
ことを特徴とする内燃機関。 - 請求項1または2に記載の内燃機関において、
前記クランクウエブ(53)に螺合されて、前記環状板(54)に穿たれる開口(73)を通過して前記クランクウエブ(53)に前記環状板(54)を固定する締結部材(74)と、
前記クランクウエブ(53)および前記環状板(54)に嵌め込まれて、前記クランクウエブ(53)の表面に沿って前記環状板(54)の変位を規制する規制部材(75)と
を備えることを特徴とする内燃機関。 - 請求項3に記載の内燃機関において、
前記クランクウエブ(53)は、前記外側面の裏側に、前記クランクピン(52)を受け入れるピン孔(69)からオフセットした位置でバランスウエイト(71)を突出させる内側面を有し、前記クランクウエブ(53)には、前記バランスウエイト(71)からオフセットした位置に、前記締結部材(74)を受け入れる締結孔(72)が形成される
ことを特徴とする内燃機関。 - 請求項1~4のいずれか1項に記載の内燃機関において、
前記被検知体(55)は、前記クランクジャーナル(51)の回転軸線(33)周りに環状に配列されて、前記検知センサー(58)に読み取られる複数のリラクター片(55a)を備え、
前記検知センサー(58)は、前記クランクジャーナル(51)の回転軸線(33)に指向しつつ、車両に搭載される際に地面(GD)に直交する車両上下方向に対して傾斜して前記クランクケース(34)に取り付けられる
ことを特徴とする内燃機関。 - 請求項5に記載の内燃機関において、
前記クランクケース(34)には、前記車両の後輪(WR)の前方で車体フレーム(12)に連結されるリンク部(34a)が上向きに突出し、前記検知センサー(58)は、前記リンク部(34a)の後方であって前記後輪(WR)の前方に配置される
ことを特徴とする内燃機関。 - 請求項6に記載の内燃機関において、
前記後輪(WR)の車軸に直交する前記後輪(WR)の中央線に対して、前記検知センサー(58)は車幅方向にオフセットして配置される
ことを特徴とする内燃機関。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112020003334-0A BR112020003334A2 (pt) | 2017-09-08 | 2018-09-04 | motor de combustão interna |
CN201880058179.2A CN111094719B (zh) | 2017-09-08 | 2018-09-04 | 内燃机 |
JP2019540958A JP6836653B2 (ja) | 2017-09-08 | 2018-09-04 | 内燃機関 |
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US20220299393A1 (en) * | 2021-03-17 | 2022-09-22 | Honda Motor Co., Ltd. | Pulser plate balancing |
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JP4020360B2 (ja) * | 2001-12-04 | 2007-12-12 | 本田技研工業株式会社 | クランクシャフトの回転角度検出用のプレートの取付構造 |
JP5337065B2 (ja) * | 2010-01-22 | 2013-11-06 | 本田技研工業株式会社 | Egr率推測検知装置 |
JP5385236B2 (ja) * | 2010-09-28 | 2014-01-08 | 本田技研工業株式会社 | エンジン制御装置 |
CN202066472U (zh) * | 2011-04-11 | 2011-12-07 | 吉林大学 | 一种判别发动机停机时曲轴位置的装置 |
DE102012222316A1 (de) * | 2012-12-05 | 2014-06-05 | Robert Bosch Gmbh | Sensorvorrichtung zur Bestimmung mindestens einer Rotationseigenschaft eines rotierenden Elements |
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JP2003214160A (ja) * | 2002-01-29 | 2003-07-30 | Honda Motor Co Ltd | オフセット内燃機関のピストン冷却構造 |
JP2010216455A (ja) * | 2009-03-19 | 2010-09-30 | Mazda Motor Corp | センサプレート取付構造 |
DE102010050621A1 (de) * | 2010-11-05 | 2012-05-10 | Bayerische Motoren Werke Aktiengesellschaft | Brennkraftmaschine |
JP2014043783A (ja) * | 2012-08-24 | 2014-03-13 | Honda Motor Co Ltd | 内燃機関の潤滑油供給構造 |
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US20220299393A1 (en) * | 2021-03-17 | 2022-09-22 | Honda Motor Co., Ltd. | Pulser plate balancing |
US11959820B2 (en) * | 2021-03-17 | 2024-04-16 | Honda Motor Co., Ltd. | Pulser plate balancing |
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JP6836653B2 (ja) | 2021-03-03 |
CN111094719B (zh) | 2022-02-08 |
JPWO2019049849A1 (ja) | 2020-07-30 |
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