Abstract: A motive power stoppage guidance apparatus includes at least one of a display device configured to be disposed in a compartment of a vehicle, and a sound output device configured to output a sound in the compartment of the vehicle; and an indication control unit configured, when the vehicle is traveling in a state where a motive power stops, or when the likelihood is high in that the vehicle is traveling in the state where the motive power stops, to execute at least one of having the display device display at least one of that the motive power is in a stopped state, and a recommended operational method, and having the sound output device output an indication sound.

Abstract: Rotary forging for forming a hub-side face spline is started in a state in which a caulking section is made to come in contact with a flat surface section that is an inner end surface of an inner ring in an axial direction and a chamfer. In addition, a contact portion between an inner end surface of the caulking section in the axial direction and a processing surface of a roll at the beginning of the rotary forging overlaps a contact portion between the caulking section and the flat surface section and the chamfer of the inner ring in the axial direction.

Abstract: A rotor has a rotor core arranged to radially face a stator. The rotor core has an accommodation hole extending axially from an axial end face of the rotor core. A magnet is received in the accommodation hole. A recess, which is dented in a direction separating from the magnet, is formed in an end surface of the accommodation hole. The recess has an opening facing the magnet. A pair of open distal portions are arranged at opposite sides of the opening and pressed against the magnet.

Abstract: A resin additive for a polyphenylene sulfide includes a diamine compound expressed by a following general chemical formula (1), in which A is an oxygen atom or a sulfur atom, X is a hydrogen atom, an alkyl group with a carbon number of six or less, or an aryl group, and n is a natural number of 1 to 10. A polyphenylene sulfide resin composition includes the resin additive and a polyphenylene sulfide resin. An electronic device includes a molded product of the polyphenylene sulfide resin composition.

Abstract: A motive power stoppage guidance apparatus includes at least one of a display device configured to be disposed in a compartment of a vehicle, and a sound output device configured to output a sound in the compartment of the vehicle; and an indication control unit configured, when the vehicle is traveling in a state where a motive power stops, or when the likelihood is high in that the vehicle is traveling in the state where the motive power stops, to execute at least one of having the display device display at least one of that the motive power is in a stopped state, and a recommended operational method, and having the sound output device output an indication sound.

Abstract: A hardening resin composition includes a base resin and a hardening agent. The base resin contains a maleimide compound having two or more maleimide groups in one molecule, and the hardening agent contains a diamine compound expressed by a general chemical formula (1), in which A is an oxygen atom or a sulfur atom, X is a hydrogen atom, an alkyl group with a carbon number of six or less, or an aryl group, and n is a natural number of 1 to 10.

Abstract: A vehicular automatic transmission includes three single pinion planetary gear sets and a plurality of engagement elements. A plurality of gears is selectively established by three of the plurality of engagement elements being engaged and three of the plurality of engagement elements being released. One of the plurality of engagement elements is a dedicated reverse engagement element that is engaged when a reverse gear is established and is released when a forward gear is established.

Abstract: An automatic transmission (11) includes a planetary gear set (PS), first to third clutches (C-1 to C-3), first to third brakes (B-1 to B-3), and a counter gear (100) that outputs shifted rotation. The counter gear (100) is placed axially on one side of the planetary gear set (PS), and the second brake (B-2) is placed axially on the opposite side from of the counter gear (100) from the planetary gear set (PS). The second brake (B-2) that does not make higher speed rotation than other clutches and brakes can thus be separated from the planetary gear set (PS), and other clutches and brakes and the counter gear (100) are arranged near the planetary gear set (PS). Thus, members having a large thickness are reduced in length, whereby the automatic transmission is made compact and reduced in weight.

Abstract: A hydraulic clutch including a clutch drum with an outer cylinder fitted with a plurality of clutch plates and a side wall; a clutch piston that defines together with the clutch drum an engagement oil chamber, and moves in an axial direction to press the clutch plates by hydraulic pressure supplied to the engagement oil chamber; and a cancel plate that defines together with the clutch piston a cancel oil chamber that cancels centrifugal hydraulic pressure. The side wall of the clutch drum is formed with a first oil passage that radially extends and is in communication with the engagement oil chamber, and a second oil passage that radially extends and is in communication with the cancel oil chamber. One of the first and second oil passages is at least partially included in a range of an axial width of the other of the first and second oil passages.

Abstract: A hardening resin composition includes a base resin and a hardening agent. The base resin contains a maleimide compound having two or more maleimide groups in one molecule, and the hardening agent contains a diamine compound expressed by a general chemical formula (1), in which A is an oxygen atom or a sulfur atom, X is a hydrogen atom, an alkyl group with a carbon number of six or less, or an aryl group, and n is a natural number of 1 to 10.

Abstract: A hydraulic clutch including a clutch drum with an outer cylinder fitted with a plurality of clutch plates and a side wall; a clutch piston that defines together with the clutch drum an engagement oil chamber, and moves in an axial direction to press the clutch plates by hydraulic pressure supplied to the engagement oil chamber; and a cancel plate that defines together with the clutch piston a cancel oil chamber that cancels centrifugal hydraulic pressure. The side wall of the clutch drum is formed with a first oil passage that radially extends and is in communication with the engagement oil chamber, and a second oil passage that radially extends and is in communication with the cancel oil chamber. One of the first and second oil passages is at least partially included in a range of an axial width of the other of the first and second oil passages.

Abstract: A resin additive for a polyphenylene sulfide includes a diamine compound expressed by a following general chemical formula (1), in which A is an oxygen atom or a sulfur atom, X is a hydrogen atom, an alkyl group with a carbon number of six or less, or an aryl group, and n is a natural number of 1 to 10. A polyphenylene sulfide resin composition includes the resin additive and a polyphenylene sulfide resin. An electronic device includes a molded product of the polyphenylene sulfide resin composition.

Abstract: A bus bar device electrically connects a plurality of coils arranged along a circumferential direction of the bus bar device to form an annular shape in entirety. A plurality of bus bars is arranged so that a plurality of layers is formed in a radial direction of the bus bar device. Each of the bus bars is formed from an arc-shaped conductive wire. A plurality of connection wires is respectively connected to the plurality of coils. The connection wires are arranged to overlap the bus bars and intersect the bus bars in the axial direction. Intersection portions at which the bus bars and the connection wires intersect include connection intersection portions at which the connection wires are electrically connected to the bus bars.

Abstract: A hydraulic clutch including a clutch drum with an outer cylinder fitted with a plurality of clutch plates and a side wall; a clutch piston that defines together with the clutch drum an engagement oil chamber, and moves in an axial direction to press the clutch plates by hydraulic pressure supplied to the engagement oil chamber; and a cancel plate that defines together with the clutch piston a cancel oil chamber that cancels centrifugal hydraulic pressure. The side wall of the clutch drum is formed with a first oil passage that radially extends and is in communication with the engagement oil chamber, and a second oil passage that radially extends and is in communication with the cancel oil chamber. One of the first and second oil passages is at least partially included in a range of an axial width of the other of the first and second oil passages.

Abstract: An epoxy resin composition includes: epoxy resin as a main component; and diamine having phenylene oxide skeleton indicated by an equation of: A code of “X” is a hydrogen or a methyl group, and a suffix of “n” is an integer in a range between 1 and 10. In the above composition, the gelation time is short, compared with a case where the epoxy resin composition with using phenylene sulfide skeletal diamine as hardening agent of an epoxy resin.

Abstract: A transmission device includes a first clutch and a second clutch that is disposed circumferentially inward of the first clutch so as to overlap with the first clutch as viewed from a radial direction. The first clutch includes a first clutch drum, a first clutch piston that is axially movable by hydraulic pressure supplied to a first engagement side oil chamber on an inner circumferential side of the first clutch drum, and a first cancel plate that defines together with the first clutch piston a first cancel oil chamber that cancels centrifugal hydraulic pressure. The first cancel plate is fastened between the first clutch drum and a second clutch drum of the second clutch.

Abstract: An automatic transmission (11) includes a planetary gear set (PS), first to third clutches (C-1 to C-3), first to third brakes (B-1 to B-3), and a counter gear (100) that outputs shifted rotation. The counter gear (100) is placed axially on one side of the planetary gear set (PS), and the second brake (B-2) is placed axially on the opposite side from of the counter gear (100) from the planetary gear set (PS). The second brake (B-2) that does not make higher speed rotation than other clutches and brakes can thus be separated from the planetary gear set (PS), and other clutches and brakes and the counter gear (100) are arranged near the planetary gear set (PS). Thus, members having a large thickness are reduced in length, whereby the automatic transmission is made compact and reduced in weight.

Abstract: A transmission comprising at least four planetary gear sets and at least six coupling elements which are all disposed coaxially with each other, and an input rotary member which is disposed on one of opposite axial sides of the transmission and which receives an input rotary motion, the transmission having a plurality of speed positions which have respective different speed ratios and which are established by engaging actions of respective combinations of coupling elements selected from the at least six coupling elements and releasing actions of respective combinations of the other coupling elements selected from the at least six coupling elements, wherein an improvement includes: the at least six coupling elements including at least two input clutches which are all connected to the input rotary member and which are all disposed on one of opposite axial sides of the at least four planetary gear sets, which one side corresponds to the one of the opposite axial sides of the transmission.

Abstract: A vehicular automatic transmission includes three single pinion planetary gear sets and a plurality of engagement elements. A plurality of gears is selectively established by three of the plurality of engagement elements being engaged and three of the plurality of engagement elements being released. One of the plurality of engagement elements is a dedicated reverse engagement element that is engaged when a reverse gear is established and is released when a forward gear is established.

Abstract: To provide a hybrid drive speed change device in which a rotation sensor can be disposed appropriately from the viewpoint of reducing the axial dimension of the device. A rotary electric machine MG is disposed coaxially with an input shaft M, and includes a stator St and a rotor Ro provided radially inwardly of the stator St. An oil pump 18 includes a pump case 90, 91 in which a pump chamber 18a is formed, and a pump rotor 18b rotatably housed in the pump chamber 18a. The pump rotor 18b is disposed coaxially with the input shaft M. A rotation sensor 19 is disposed radially outwardly of the pump chamber 18a and radially inwardly of the stator St of the rotary electric machine MG, and disposed to overlap the oil pump 18 as seen from the radial direction of the input shaft M.