1. A gas sensor, comprising:
a cylindrical sensor element;
a connection terminal extending axially of the sensor element and brought into contact with an outer surface of the sensor element; and
a separator located rear of the sensor element and having a through hole in which a rear end side of the connection terminal is inserted,
wherein the connection terminal has:
a cylindrical outer fitting portion formed on a front end side of the connection terminal and fitted onto the sensor element;
an extension portion extending rearward from the outer fitting portion and inserted in the through hole of the separator; and
a pulling prevention portion adapted to prevent the extension portion from further pulling in the through hole by contact with a front end surface of the separator.
2. The gas sensor according to claim 1, wherein the extension portion is formed to protrude inwardly from an axially intermediate point of the outer fitting portion; and wherein the pulling prevention portion is formed on a rear end part of the outer fitting portion at a position adjacent to the extension portion so as to prevent the extension portion from further pulling in the through hole by contact with the front end surface of the separator.
3. The gas sensor according to claim 1, wherein the pulling prevention portion is formed on a rear end part of the outer fitting portion at a position adjacent to the extension portion so as to protrude outwardly from the outer fitting portion and prevent the extension portion from further pulling in the through hole by contact with the front end surface of the separator.
4. The gas sensor according to claim 1, wherein the pulling prevention portion is formed on the extension portion so as to protrude outwardly from the extension portion and prevent the extension portion from further pulling in the through hole by contact with the front end surface of the separator.
5. The gas sensor according to claim 1, wherein the extension portion protrudes in a direction inclined inwardly with respect to an axial direction of the outer fitting portion.
6. The gas sensor according to claim 1, wherein the extension portion includes a bottom part extending in an axial direction of the outer fitting portion and another part extending from the bottom part in a direction inclined inwardly with respect to the axial direction.
7. The gas sensor according to claim 1, wherein a position at which the extension portion protrudes inwardly from the outer fitting portion is located rear of an axially center position of the outer fitting portion.
8. The gas sensor according to claim 1, wherein cuts are formed axially in a rear end side of the outer fitting portion on circumferentially opposite sides of the extension portion.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A belt type continuously variable transmission, comprising:
an input side pulley which includes an input side pulley shaft to which a driving force from a drive source is transmitted, an input side movable sheave that slides on the input side pulley shaft in an axial direction of the input side pulley shaft, and an input side fixed sheave that faces the input side movable sheave in the axial direction such that an input side groove is formed between the input side fixed sheave and the input side movable sheave;
an output side pulley which includes an output side pulley shaft that is provided in parallel with the input side pulley shaft, an output side movable sheave that slides on the output side pulley shaft in an axial direction of the output side pulley shaft, and an output side fixed sheave that faces the output side movable sheave in the axial direction such that an output side groove is formed between the output side fixed sheave and the output side movable sheave;
a belt which is looped over the input side groove and the output side groove;
a planetary gear set which transmits the driving force transmitted from the output side pulley to a differential gear unit that is provided so as to be coaxial with the output side pulley shaft; and
a damper device which is provided between the output side pulley and the planetary gear set,
wherein the planetary gear set includes an input shaft to which the driving force transmitted from the output side pulley is transmitted, and which is slidable on an axis of the output side pulley shaft in the axial direction of the output side pulley shaft, and the damper device is provided between the output side pulley shaft and the input shaft, and wherein the damper device is a damper oil chamber whose volume changes as the input shaft slides on the axis of the output side pulley shaft in the axial direction of the output side pulley shaft.
2. The belt type continuously variable transmission according to claim 1, wherein
the damper device is provided between the output side pulley shaft and the input shaft, and an intermediate member forms a part of the damper device.
3. The belt type continuously variable transmission according to claim 1, wherein
the planetary gear set is formed of multiple helical gears meshed with each other.
4. The belt type continuously variable transmission according to claim 1, wherein
the damper oil chamber is a space formed by a protruding portion that is formed at an end portion of the output side pulley shaft and that protrudes outward in a radial direction of the output side pulley shaft, and a protruding portion that is formed at an end portion of the input shaft to which the driving force from the damper device is transmitted and that protrudes outward in a radial direction of the input shaft.
5. The belt type continuously variable transmission according to claim 4, wherein
the input shaft is a hollow shaft, a sun gear is formed on the input shaft at an end portion on a side of the planetary gear set, and the sun gear is meshed with pinions of the planetary gear set.
6. The belt type continuously variable transmission according to claim 4, wherein
a hydraulic fluid pressure supplied, through the output side pulley shaft, to an output side oil chamber that is formed by a back surface of the output side movable sheave, which is on an opposite side of another surface of the output side movable sheave, the other surface facing the output side fixed sheave, and an output side partition fixed to the output side pulley shaft is equal to a hydraulic fluid pressure supplied to the damper oil chamber through the output side pulley shaft.
7. The belt type continuously variable transmission according to claim 4, wherein
a spline portion is formed in each of the protruding portion of the output side pulley shaft and the protruding portion of the input shaft, and the protruding portions are in splined engagement, whereby the output side pulley shaft and the input shaft are slidable with respect to each other in the axial direction.
8. The belt type continuously variable transmission according to claim 7, wherein
sealing means is provided at a slide portion at which the protruding portion of the output side pulley shaft and the protruding portion of the input shaft slide with respect to each other.
9. The belt type continuously variable transmission according to claim 1, wherein
the damper oil chamber is formed by a protruding portion that is formed at an end portion of the output side pulley shaft and that protrudes outward in a radial direction of the output side pulley shaft, a protruding portion that is formed at an end portion of the input shaft and that protrudes outward in a radial direction of the input shaft, and the intermediate member.
10. The belt type continuously variable transmission according to claim 9, wherein
the input shaft is a hollow shaft, a sun gear is formed on the input shaft at an end portion on a side of the planetary gear set, and the sun gear is meshed with pinions of the planetary gear set.
11. The belt type continuously variable transmission according to claim 9, wherein
a hydraulic fluid pressure is supplied, through the damper oil chamber, to an output side oil chamber that is formed by a back surface of the output side movable sheave, which is on an opposite side of another surface of the output side movable sheave, the other surface facing the output side fixed sheave, and a surface of the intermediate member, which faces the output side movable sheave.
12. The belt type continuously variable transmission according to claim 9, wherein
a spline portion is formed in each of a protruding portion of the intermediate member and the protruding portion of the input shaft, and the protruding portions are in splined engagement, whereby the intermediate member and the input shaft are slidable with respect to each other in the axial direction.
13. The belt type continuously variable transmission according to claim 12, wherein
sealing means is provided at a slide portion at which the protruding portion of the intermediate member and the protruding portion of the input shaft slide with respect to each other.
14. The belt type continuously variable transmission according to claim 1, wherein
the planetary gear set includes a sun gear, pinions meshed with the sun gear, a carrier which rotatably supports the pinions, and a ring gear which is fixed to a case; the sun gear is formed at an end portion of an input shaft that is a hollow shaft to which a driving force from the damper device is transmitted; the carrier is formed integrally with a differential case of the differential gear unit; and one of two output shafts of the differential gear unit penetrates an axis of the hollow input shaft.
15. The belt type continuously variable transmission according to claim 14, wherein
the input side pulley shaft is coupled with a forwardreverse changing mechanism which changes a direction of rotation input in the belt type continuously variable transmission between a normal rotational direction and a reverse rotational direction, and the forwardreverse changing mechanism is coupled with a torque converter.
16. The belt type continuously variable transmission according to claim 15, wherein
the driving force from the drive source is transmitted to the differential gear unit via the toque converter, the forwardreverse changing mechanism, the input side pulley and the output side pulley of the belt type continuously variable transmission, and the planetary gear set.
17. A belt type continuously variable transmission, comprising:
an input side pulley which includes an input side pulley shaft to which a driving force from a drive source is transmitted, an input side movable sheave that slides on the input side pulley shaft in an axial direction of the input side pulley shaft, and an input side fixed sheave that faces the input side movable sheave in the axial direction such that an input side groove is formed between the input side fixed sheave and the input side movable sheave;
an output side pulley which includes an output side pulley shaft that is provided in parallel with the input side pulley shaft, an output side movable sheave that slides on the output side pulley shaft in an axial direction of the output side pulley shaft, and an output side fixed sheave that faces the output side movable sheave in the axial direction such that an output side groove is formed between the output side fixed sheave and the output side movable sheave;
a belt which is looped over the input side groove and the output side groove;
a planetary gear set which transmits the driving force transmitted from the output side pulley to a differential gear unit that is provided so as to be coaxial with the output side pulley shaft; and
damper means provided between the output side pulley and the planetary gear set,
wherein the planetary gear set includes an input shaft to which the driving force transmitted from the output side pulley is transmitted, and which is slidable on an axis of the output side pulley shaft in the axial direction of the output side pulley shaft, and the damper means is provided between the output side pulley shaft and the input shaft, and wherein the damper means is a damper oil chamber whose volume changes as the input shaft slides on the axis of the output side pulley shaft in the axial direction of the output side pulley shaft.