Patent application number | Description | Published |
20090242348 | Starting device - A starting device includes a housing; an output side member; a clutch mechanism; a working oil passage that supplies working oil to a hydraulic chamber of the clutch mechanism from an oil pressure source side; and a lubricating oil passage including a supply oil passage that supplies lubricating oil to the housing from the oil pressure source side and a return oil passage for returning the lubricating oil to the oil pressure source side from the housing, wherein the working oil passage and the lubricating oil passage are formed to overlap at least partially in an axial direction. | 10-01-2009 |
20110239818 | HYBRID DRIVE DEVICE - The present invention relates to a hybrid drive device including a first shaft coupled to an internal combustion engine, a rotary electric machine, a second shaft disposed coaxially with the first shaft and coupled to the rotary electric machine and a speed change mechanism, a clutch is provided to switch on and off transfer of a drive force between the first shaft and the second shaft, and a case houses the first shaft, the second shaft, the rotary electric machine, and the clutch. A rotor of the rotary electric machine is fixed to an outer peripheral portion of the clutch housing. A first seal mechanism is disposed in contact with an outer peripheral surface of the large diameter portion of the second axially projecting portion and the inner peripheral surface of the first axially projecting portion, and side by side with the first support mechanism in the axial direction. | 10-06-2011 |
20120090425 | HYBRID DRIVE SPEED CHANGE DEVICE - 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 | 04-19-2012 |
20120247905 | HYDRAULIC CLUTCH AND TRANSMISSION DEVICE PROVIDED WITH THE SAME - 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. | 10-04-2012 |
20120247907 | TRANSMISSION DEVICE - 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. | 10-04-2012 |
20130008759 | Hybrid drive device - There is provided a first and second bearing supporting a clutch case at first and second axial sides in a radial direction, a rotor of a rotary electrical machine is supported by the clutch case, a gap between an outer peripheral face of a pump drive shaft 10 and an inner peripheral face of a drive shaft insertion hole | 01-10-2013 |
20140262673 | HYDRAULIC CLUTCH AND TRANSMISSION DEVICE PROVIDED WITH THE SAME - 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. | 09-18-2014 |
Patent application number | Description | Published |
20090029820 | Lubricating oil supply device for automatic transmission - In a lubricating oil supply device for an automatic transmission which supplies lubricating oil to a clutch arranged inside an automatic transmission, an oil reception section in a circumferential direction which receives the lubricating oil and is open in a shaft direction of an input shaft is formed in an approximately annular-shaped carrier cover by a wall section of the carrier cover which, together with a carrier, attaches a pinion shaft, a base section of the carrier cover extending in the shaft direction of the pinion shaft, and an end section as a part in an inner direction of the clutch hub connected with the base section of the carrier cover. | 01-29-2009 |
20130184117 | VEHICULAR AUTOMATIC TRANSMISSION - 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. | 07-18-2013 |
20130196813 | TRANSMISSION - 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. | 08-01-2013 |
Patent application number | Description | Published |
20080202884 | Automatic transmission - An automatic transmission that includes two clutches that are provided in mutually different positions in a radial direction while overlapping each other in an axial direction. The two clutches each include a clutch drum; a piston that structures a operating oil chamber while using a part of the clutch drum as a cylinder; a plurality of friction plates that engage the clutch drum; and a cancel oil chamber that is disposed on a back face side of the piston and that cancels a centrifugal hydraulic pressure acting on the operating oil chamber. | 08-28-2008 |
20080207384 | Automatic transmission - An automatic transmission that includes two adjacent clutches. Two clutches each include a clutch drum, a piston that structures an operating oil chamber with a portion of the clutch drum used as a cylinder, a plurality of friction plates that engage with the clutch drum, a cancel oil chamber that is arranged on a back surface side of the piston and that cancels a centrifugal oil pressure acting on the operating oil chamber, and a return spring that is provided within the cancel oil chamber and that is structured between a cancel plate and a back surface of the piston and that biases the piston toward the operating oil chamber. | 08-28-2008 |
20080207385 | Automatic transmission - An automatic transmission includes two clutches that are disposed such that they overlap in an axial direction and occupy different positions in a radial direction. Each of the two clutches includes a clutch drum, a piston that forms a working fluid chamber for which a portion of the clutch drum serves as a cylinder, a plurality of friction plates that engage the clutch drum, and a cancel oil chamber that is disposed on a rear face side of the piston and that cancels a centrifugal oil pressure that acts on the working fluid chamber. | 08-28-2008 |
20080207386 | Automatic transmission - An automatic transmission that includes two clutches that are disposed at positions that overlap in an axial direction and are different in a radial direction. The two clutches each include: a clutch drum, a piston that structures a working oil chamber with a portion of the clutch drum used as a cylinder, a plurality of friction plates that engage the clutch drum, and a cancel oil chamber that is disposed on a back surface side of the piston and that cancels a centrifugal hydraulic pressure that acts on the working oil chamber. An inner spline is formed on the clutch drum of one clutch, among the two clutches, that is positioned on an outer diameter side. An outer spline is formed on the clutch drum of the other clutch, among the two clutches, that is positioned on an inner diameter side. | 08-28-2008 |
20080220928 | Automatic transmission - In an automatic transmission | 09-11-2008 |
20090011892 | Automatic transmission - An automatic transmission that includes one clutch that includes a clutch drum; a piston that forms a hydraulic oil chamber using a part of the clutch drum as a cylinder; a plurality of friction plates that engage with the clutch drum; and a cancel oil chamber that is provided on a rear side of the piston and that cancels a centrifugal oil pressure that acts on the hydraulic oil chamber. Oil is supplied to the cancel oil chamber from a boss portion formed in the clutch drum on a radially inner side, and the oil is discharged from discharge holes formed in the boss portion to an outside of a hydraulic oil chamber side of the clutch drum. | 01-08-2009 |
Patent application number | Description | Published |
20140150973 | EPOXY RESIN COMPOSITION AND MANUFACTURING METHOD OF BONDING STRUCTURE - An epoxy resin composition includes: epoxy resin as a main component; and diamine having phenylene oxide skeleton indicated by an equation of: | 06-05-2014 |
20140262414 | RESIN ADDITIVE, POLYPHENYLENE SULFIDE RESIN COMPOSITION, AND ELECTRONIC DEVICE - 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. | 09-18-2014 |
20140264959 | HARDENING RESIN COMPOSITION, SEALING MATERIAL, AND ELECTRONIC DEVICE USING THE SEALING MATERIAL - 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. | 09-18-2014 |