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公开(公告)号：US11994230B2
公开(公告)日：2024-05-28
申请号：US17569234
申请日：2022-01-05
Applicant: DENSO CORPORATION
Inventor： Shinichi Kondou , Masato Arai , Kazuhiro Sasao
CPC classification number: F16K31/0675 , F16K27/048 , F16K31/0668 , H01F7/081 , H01F7/1607 , H01F2007/085
Abstract: A solenoid valve includes a valve portion and a solenoid portion. The valve portion has a sleeve and a valve body inserted into the sleeve. The solenoid portion includes a stator core having a magnetic attraction core, a sliding core, a magnetic flux passage suppressing portion that suppresses the passage of magnetic flux between the sliding core and the magnetic attraction core, a magnetic yoke, a coil portion, a plunger, and a magnetic tubular base portion. The base portion is fastened to a first outer peripheral surface of an end on the solenoid portion side in the axial direction of the sleeve, is arranged outside a radial direction of a second outer peripheral surface of the end on the valve portion side in the axial direction of the magnetic attraction core, and comes into contact with the yoke inside the yoke.
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公开(公告)号：US11646141B2
公开(公告)日：2023-05-09
申请号：US17474441
申请日：2021-09-14
Applicant: DENSO CORPORATION
Inventor： Shinichi Kondou , Kazuhiro Sasao , Masato Arai
CPC classification number: H01F7/081 , F16K31/0613 , F16K31/0675 , H01F7/16 , H01F2007/086
Abstract: A solenoid valve includes a valve portion and a solenoid portion. The valve portion has a sleeve and a valve body. The solenoid portion includes a tubular coil portion, a magnetic yoke having a side surface portion and a bottom portion, a columnar plunger, a shaft, a stator core having a core shaft hole for sliding the plunger in the axial direction, and a base portion having a base shaft hole. In a radial thickness of the sleeve, a thickness of a part corresponding to an end outer peripheral surface is smaller than a thickness of a sliding portion of an inner peripheral surface of the sleeve, which is a portion on which the valve body slides.
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公开(公告)号：US12198854B2
公开(公告)日：2025-01-14
申请号：US17747438
申请日：2022-05-18
Applicant: DENSO CORPORATION
Inventor： Shodai Tomita , Kazuhiro Sasao , Masato Arai
IPC: H01F7/08
Abstract: A solenoid driving a shaft in a direction along a central axis includes a coil that generates magnetic flux and a magnetic container that accommodates the coil. The container has a side surface portion and a bottom portion. A plunger arranged inside the coil and sliding in a direction along the central axis to move the shaft, and a stator core are provided. The stator core has a plunger accommodating portion and a shaft accommodating portion that accommodates the shaft and attracts the plunger. The plunger accommodating portion has a cylindrical core portion that accommodates the plunger inside, and a flange portion that is provided radially outward at an end of the core portion on the bottom portion side and is welded to the bottom portion of the container. A ring core provided on the opposite side of the shaft accommodating portion to the plunger accommodating portion is provided.
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Patent Agency Ranking
公开(公告)号：US11948737B2
公开(公告)日：2024-04-02
申请号：US17566230
申请日：2021-12-30
Applicant: DENSO CORPORATION
Inventor： Kazuhiro Sasao
CPC classification number: H01F7/1607 , H01F7/081 , F16K31/0675 , H01F2007/086
Abstract: A solenoid includes a coil portion, a yoke having a side portion and a bottom portion, a plunger, and a stator core. The stator core has a magnetic attraction core and a sliding core which has a tubular core portion and a first magnetic flux transfer portion formed from the tubular core portion and the core end portion toward an outside in a radial direction to transfer magnetic flux between the yoke and the core portion. A breathing groove communicating an inside and an outside of the first magnetic flux transfer portion in the radial direction is formed on at least one of a first facing surface facing the bottom portion in a first magnetic flux transfer portion and a second facing surface facing the first magnetic flux transfer portion at the bottom portion so as to be positioned in a vertical direction when the solenoid is assembled.
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公开(公告)号：US09151395B2
公开(公告)日：2015-10-06
申请号：US13710747
申请日：2012-12-11
Applicant: DENSO CORPORATION
Inventor： Kazuhiro Sasao
CPC classification number: F16K3/24 , F16K11/07 , F16K31/0696
Abstract: An oil pressure control device includes a valve body and a spool valve arranged in the valve body. When the valve body is mounted to a vehicle, the valve body is arranged in air, and has a concave portion which stores oil at a position facing on an upper side. The spool valve has a damper chamber and an orifice causing the damper chamber to communicate with outside. The concave portion is arranged to communicate with a clearance defined between a sleeve of the spool valve and the valve body, and the orifice is opened in a bottom part of the concave portion.
Abstract translation: 油压控制装置包括阀体和布置在阀体中的滑阀。 当阀体安装在车辆上时，阀体布置在空气中，并且具有在面向上侧的位置上储存油的凹部。 滑阀具有阻尼室和使阻尼室与外部连通的孔口。 凹部被设置成与滑阀的套筒和阀体之间限定的间隙连通，并且孔口在凹部的底部开口。
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公开(公告)号：US09140197B2
公开(公告)日：2015-09-22
申请号：US14247515
申请日：2014-04-08
Applicant: DENSO CORPORATION
Inventor： Shinya Nakata , Kazuhiro Sasao , Takashi Ooga , Takehiro Tanaka , Kosei Takagi , Yuusuke Yasuki , Shuhei Oe
CPC classification number: F02D13/02 , F01L1/3442 , F01L31/06 , F01L2001/34423 , F01L2001/34426 , F01L2001/34453 , F01L2013/116 , Y02T10/18
Abstract: A valve timing control apparatus includes a temperature sensing member which expands at a main lock phase when a temperature of an engine is higher than or equal to a predetermined temperature so as to prohibit a main lock component from moving out of a main lock hole to a guide slot. The temperature sensing member shrinks at the main lock phase when the temperature of the engine is lower than the predetermined temperature so as to allow the main lock component to move out of the main lock hole toward the guide slot.
Abstract translation: 气门正时控制装置包括温度检测构件，其在发动机的温度高于或等于预定温度时在主锁定阶段膨胀，以便禁止主锁定部件从主锁孔移出到 导槽 当发动机的温度低于预定温度时，温度感测部件在主锁定阶段收缩，从而允许主锁定部件朝向引导槽移出主锁定孔。
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公开(公告)号：US11994229B2
公开(公告)日：2024-05-28
申请号：US17949086
申请日：2022-09-20
Applicant: DENSO CORPORATION
Inventor： Kazuhiro Sasao , Shinichi Kondou
CPC classification number: F16K31/0613 , F16K11/07 , F16K27/041
Abstract: A solenoid valve has a valve portion and a solenoid portion. The valve portion includes a sleeve and a spool. The solenoid portion includes a yoke, a plunger, a stator core, and a base portion. The base portion includes a first inner diameter portion, a second inner diameter portion, and a connection surface that connects the first inner diameter portion and the second inner diameter portion to each other in a radial direction. The first inner diameter portion is fastened to a first outer peripheral surface of the sleeve. The second inner diameter portion is arranged radially outside a second outer peripheral surface of a magnetic attraction core. The base portion is in contact with the yoke. The connection surface and a sleeve end surface of the sleeve adjacent to the solenoid portion in the axial direction are spaced from each other in the axial direction.
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公开(公告)号：US09732863B2
公开(公告)日：2017-08-15
申请号：US14627726
申请日：2015-02-20
Applicant: DENSO CORPORATION
Inventor： Kanehisa Nagasaki , Kazuhiro Sasao
CPC classification number: F16K11/0708 , F15B13/00 , F16K31/0613 , F16K47/08 , Y10T137/8671
Abstract: An end of a first land has a step difference recessing inward of a radial direction of the first land from the edge portion. The step difference has an end point opposite to the edge portion. A throttle portion protrudes from the start point in an axial direction, and includes an outer-peripheral corner (protrusion round portion) having a curved surface protruding in the axial direction and in the radial direction. When an inlet opening starts to be slightly opened, since a hydraulic fluid is throttled when flowing through a second gate opened between a corner of a sleeve and the protrusion round portion, a rapid increasing of a flow quantity of the hydraulic fluid and an instability of a control of the hydraulic fluid can be suppressed.
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