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公开(公告)号：US20190176949A1
公开(公告)日：2019-06-13
申请号：US16274942
申请日：2019-02-13
Applicant: SHOWA CORPORATION
Inventor： Takahiko SAITO , Yoshimitsu KOMURO
CPC classification number: B63H20/10 , B63H20/001 , B63H20/14
Abstract: Provided is an outboard motor raising and lowering apparatus that is capable of automatically changing the speed of raising/lowering of an outboard motor according to the status of the outboard motor. An outboard motor raising and lowering apparatus (1) includes: a first fluid passage that connects a pump (42) and a lower chamber(s) of one or more tilt cylinders (14); a second fluid passage that connects the first fluid passage and a lower chamber(s) of one or more trim cylinders (12); a switching valve (60) provided at the second fluid passage; and a control section (100) configured to control the switching valve (60) with reference to a watercraft status signal.
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公开(公告)号：US10203014B2
公开(公告)日：2019-02-12
申请号：US14699498
申请日：2015-04-29
Applicant: Showa Corporation , FUKOKU BUSSAN CO., LTD.
Inventor： Tomoyoshi Nagamachi , Shinichi Sutou
IPC: F16F9/38
Abstract: A dust cover is provided in a cylindrical shape in an axial direction of a suspension apparatus configured to dampen a shock, and is extendable and compressible in the axial direction, or can be bent. A dust cover has a plurality of peak sections provided in the axial direction and configured to protrude outward in a radial direction, a plurality of valley sections provided in the axial direction and configured to protrude inward in the radial direction, and a plurality of connection sections provided in the axial direction and configured to connect the peak sections and the valley sections. At least one of axial concave sections and axial convex sections, which are formed in the axial direction, are provided in at least any of the peak section, the valley section, and the connection section.
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公开(公告)号：US10203013B2
公开(公告)日：2019-02-12
申请号：US15434729
申请日：2017-02-16
Applicant: Showa Corporation
Inventor： Koji Tokunaga , Tadashi Uotani
Abstract: One embodiment provides a damping force generator. The damping force generator includes: a valve body having a compression-side inlet port into which the oil pushed by the piston flows; and a compression-side damping valve provided so as to block a port outlet and elastically deformed according to pressure of the oil flowing into the compression-side inlet port to thereby exhibit damping force. An opening cross-sectional area of a port inlet opening is larger than a passage cross-sectional area of the compression-side inlet port.
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公开(公告)号：US10202977B2
公开(公告)日：2019-02-12
申请号：US15376062
申请日：2016-12-12
Applicant: Showa Corporation
Inventor： Toshio Nishikawa
Abstract: An embodiment provides a vane pump device includes a pump unit that includes a high pressure side discharge through-hole which discharges oil at a first discharge pressure, and a low pressure side discharge through-hole which discharges oil at a second discharge pressure lower than the first discharge pressure; and a housing which accommodates the pump unit, and includes a high pressure side discharge outlet through which oil discharged from the high pressure side discharge through-hole of the pump unit is discharged to the outside, and a low pressure side discharge outlet through which oil discharged from the low pressure side discharge through-hole is discharged to the outside, and in which the high pressure side discharge outlet and the low pressure side discharge outlet are formed to face the same direction.
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公开(公告)号：US10190686B2
公开(公告)日：2019-01-29
申请号：US15083523
申请日：2016-03-29
Applicant: Showa Corporation , FUKOKU BUSSAN CO., LTD.
Inventor： Tomoyoshi Nagamachi , Akira Takada , Shinichi Sutou
Abstract: A cover member is to cover a cylinder and includes a plurality of peaks, a plurality of valleys, and coupling portions, which couple the plurality of peaks to the plurality of valleys. The cover member is expandable and contractable in an alignment direction in which the plurality of peaks and the plurality of valleys are aligned. Each peak of the plurality of peaks includes a depression depressed from an apex of the peak in a direction toward the cylinder, and each valley of the plurality of valleys includes a protrusion protruding from a bottom of the valley in a direction opposite to the cylinder.
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Patent Agency Ranking
公开(公告)号：US10145440B2
公开(公告)日：2018-12-04
申请号：US15118008
申请日：2014-05-20
Applicant: Showa Corporation
Inventor： Naoki Senou , Kenichiro Kaneko
Abstract: A piston section includes a valve seat that forms a first compression-side oil path through which oil flows in accordance with relative movement of a piston rod against a first cylinder, a first compression-side valve section that performs opening-closing of the first compression-side oil path of the valve seat, an inner annular section annularly formed as projecting in the axial direction of the valve seat from the valve seat toward the first compression-side valve, and an extending section that extends in the radial direction of the valve seat from an outer side of the inner annular section to a position at the inner side from a second oil path opening of the first compression-side oil path and projects in the axial direction from the valve seat toward the first compression-side valve section.
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公开(公告)号：US10144482B2
公开(公告)日：2018-12-04
申请号：US15415375
申请日：2017-01-25
Applicant: Showa Corporation
Inventor： Kojiro Yoshida
IPC: B62K25/08 , F16F13/00 , F16F15/023 , F16F15/067 , F16F9/02 , F16F9/06 , B62K25/04
Abstract: A front fork leg includes an inner chamber that absorbs by a gas spring a shock caused on a vehicle; an auxiliary gas spring chamber communicating with the inner chamber; an auxiliary piston provided in the auxiliary gas spring chamber; and a gas spring chamber side gas chamber sectioned by the auxiliary piston and communicating with the inner chamber, and the auxiliary piston moves to increase a volume of the gas spring chamber side gas chamber, as pressure inside the inner chamber increases.
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公开(公告)号：US10138975B2
公开(公告)日：2018-11-27
申请号：US15405445
申请日：2017-01-13
Applicant: Showa Corporation
Inventor： Naoki Senou
Abstract: One embodiment provides a pressure buffer device including: a cylinder that stores fluid; a flow path forming portion that forms a flow path; and an opening-closing portion that opens and closes the flow path of the flow path forming portion. The fluid flows through the flow path forming portion in accordance with relative movement of a rod with respect to the cylinder in an axial direction of the cylinder. The flow path forming portion includes an annular first protruded portion and an annular second protruded portion protruded in the axial direction in opposite sides respectively. The second protruded portion has an axial end located at a radially outer side of the first protruded portion, and a tilt portion formed at least at a part of a radially-inner part of the second protruded portion.
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公开(公告)号：US10082188B2
公开(公告)日：2018-09-25
申请号：US15466328
申请日：2017-03-22
Applicant: Showa Corporation
Inventor： Yasuhiro Aoki
CPC classification number: F16F13/002 , B60G11/58 , B60G2300/12 , B60G2300/122 , B62K25/06 , B62K2201/00 , F16F9/0236 , F16F9/3257
Abstract: A suspension apparatus includes a first tube and a second tube that are telescopic and that are disposed on a vehicle body side and on a wheel side, respectively; a cylinder that is provided in the first tube; a rod that is provided in the second tube; a piston that is provided on the rod, slidingly contacts with an inner circumferential surface of the cylinder, and forms a first gas chamber on a side of the first tube; a coil spring configured to urge the first tube and the second tube in an extension direction; and a spring receiving member that is disposed at a position on a second tube side from a movable region of the piston, the coil spring being disposed between the spring receiving member and the second tube.
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公开(公告)号：US10081408B2
公开(公告)日：2018-09-25
申请号：US15411222
申请日：2017-01-20
Applicant: Showa Corporation
Inventor： Kojiro Yoshida
CPC classification number: B62K25/08 , B62K2025/044 , B62K2201/08 , F16F9/0209 , F16F9/0218 , F16F9/346
Abstract: An air spring structure has a first communication hole formed in a peripheral surface of a cylinder and a second communication hole formed in the peripheral surface at a position closer to an axle than the first communication hole. A piston has a sliding portion that comes into contact with an inner peripheral surface of the cylinder and partitions the cylinder into an inner chamber and a balance chamber. The sliding portion has an axial length shorter than an axial length between the first communication hole and the second communication hole. A communication member has a communication path formed so as to pass through the first communication hole and the second communication hole to allow the inner chamber and the balance chamber to communicate with each other.
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