[특허]Active vibration damping device having pneumatically oscillated mass member whose oscillation amplitude as well as frequency and phase are controllable

Active vibration damping device having pneumatically oscillated mass member whose oscillation amplitude as well as frequency and phase are controllable 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61F-011/06 G10K-011/16 F16F-005/00 F16M-007/00
출원번호	US-0239347 (1999-01-28)
우선권정보	JP-0028105 (1998-02-10)
발명자 / 주소	Muramatsu Atsushi,JPX Hagino Yoshihiko,JPX
출원인 / 주소	Tokai Rubber Industries, Ltd., JPX
대리인 / 주소	Wall Marjama Bilinski & Burr
인용정보	피인용 횟수 : 6 인용 특허 : 25

초록 ▼

A pneumatically operated active vibration damping device comprising a mounting member attachable to an object whose vibration is to be damped, a mass member elastically connected to the mounting member such that the mass member can be oscillated based on a periodic change of an air pressure in an air chamber connected to an air piping system, an active damping switch valve which is connected to the air piping system and which is operable for selective connection of the air chamber to a vacuum source and an atmosphere, to control a frequency and a phase of an oscillation of the mass member, and a pressure regulating switch valve connected to the air piping system, for alternately connecting and disconnecting the air chamber to and from the vacuum source and/or said atmosphere, so as to regulate a magnitude of said periodic change of said air pressure in said air chamber, for adjusting an amplitude of said oscillation of the mass member.

대표청구항 ▼

[ What is claimed is:] [1.] A pneumatically operated active vibration damping device comprising:a mounting member attachable to an object whose vibration is to be damped;a mass member elastically connected to said mounting member such that said mass member can be oscillated based on a periodic change of an air pressure in an air chamber connected to an air piping system;an active damping switch valve which is connected to said air piping system and which is operable for selective connection of said air chamber to a vacuum source and an atmosphere, to control a frequency and a phase of an oscillation of said mass member; anda pressure regulating switch valve connected to said air piping system, for alternately connecting and disconnecting said air chamber to and from said vacuum source and/or said atmosphere, so as to regulate a magnitude of said periodic change of said air pressure in said air chamber, for thereby adjusting an amplitude of said oscillation of said mass member.

이 특허에 인용된 특허 (25)

Schilling Hermann (Weinheim DEX) Freudenberg Ulrich (Sinsheim MI DEX) Leibach Markus (Ann Arbor MI), Active vibration damper.
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Kurabayashi Hiroshi (575-28 ; Nakanokuki Tokyo JPX) Omi Toshio (575-28 ; Nakanokuki Tokyo JPX) Miyano Hiroshi (575-28 ; Nakanokuki Tokyo JPX) Fujita Takafumi (575-28 ; Nakanokuki Nagareyama-shi ; Chi, Active/passive damping apparatus.
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Satori Kazutoshi,JPX ; Maruyama Osamu,JPX, Antivibration rubber device.
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Ikeda Naoki (Higashihiroshima JPX) Takehara Shin (Higashihiroshima JPX), Counter vibration generating power unit mounting device.
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Katayama Motohiro (Kasugai JPX) Suzuki Tatsuya (Komaki JPX), Fluid-filled elastic mount for damping a wide frequency range of vibrations.
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Muramatsu Atsushi (Komaki JPX) Ide Akiyoshi (Inuyama JPX) Hibi Masayuki (Komaki JPX), Fluid-filled elastic mount having air chamber for absorbing pressure change in fluid chamber filled with highly viscous.
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Muramatsu Atsushi (Komaki JPX) Funahashi Yoshiki (Iwakura JPX) Ide Akiyoshi (Inuyama JPX), Fluid-filled elastic mount having double-layered flexible membrane separating fluid chamber and vacuum-receiving chamber.
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Muramatsu Atsushi (Komaki JPX), Fluid-filled elastic mount having means for controlling elastic deformation of flexible diaphragm(s) defining equilibriu.
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Ide Akiyoshi,JPX ; Katagiri Katsuhiko,JPX, Fluid-filled elastic mount having orifice passages tuned to damp input vibrations in respective different frequency ran.
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Muramatsu Atsushi (Komaki JPX) Funahashi Yoshiki (Iwakura JPX), Fluid-filled elastic mount having two differently tuned orifices selectively utilized for damping or isolating vibration.
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Funahashi Yoshiki (Iwakura JPX) Ide Akiyoshi (Inuyama JPX) Muramatsu Atsushi (Komaki JPX), Fluid-filled elastic mount having vacuum-receiving chamber and auxiliary air chamber for accommodating volumetric change.
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Ide Akiyoshi (Inuyama JPX) Muramatsu Atsushi (Komaki JPX), Fluid-filled elastic mount having vacuum-receiving chamber partially defined by elastic member for isolating high-freque.
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Tanahashi Hiroaki,JPX, Fluid-filled vibration damping device having pneumatically oscillated member partially defining fluid chamber.
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Quast Jrn-Rainer (Sinzig-Bad Bodendorf DEX), Hydraulic damping rubber engine mount.
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Hoying John F. (Bellbrook OH) Lange Bernard (Russelsheim DEX), Hydraulic engine mount with air bladder tuning.
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Lun Saiman (Englewood OH), Hydraulic mount with reciprocal partition.
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Kojima Hiroshi (Yokohama JPX) Takano Kazuya (Kamakura JPX), Liquid-sealed type vibration isolator.
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Sugino Masaru (Fujisawa JPX) Takehara Shin (Machida JPX), Method of determining and damping vibrations.
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Mair Christian (Munich DEX) Van den Boom Johannes (Kosching DEX) Hollerweger Heinz (Ingolstadt DEX), Resilient mountings for machines or machine components, particularly engines in motor vehicles.
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Andr Rainer (Limburg DEX) Hofmann Manfred (Hnfelden DEX), Two-chamber engine mount with hydraulic damping.
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Hofmann Manfred (Hnfelden DEX) Sciortino Giacomo (Mhlheim Krlich DEX), Two-chamber engine mount with hydraulic damping.
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Lebkuchner Benno, Valve actuating device having a reduced impact operating mechanism.
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Leibach Markus (Hemsbach DEX) Feurer Georg (Mrlenbach DEX), Vibration canceling device.
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Smith Michael Reaugh ; Stamps Frank Bradley, Vibration isolation system.
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Takano Kazuya (Kamakura JPX) Kojima Hiroshi (Yokohama JPX) Ushijima Takao (Chigasaki JPX), Vibration isolator with diaphragm and air chamber in a side wall and connected to an air tank.
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이 특허를 인용한 특허 (6)

Lewis, John R.; Standing, William; Mansouri, Gary; Siu, Tze; Honkanen, Jari, Circuit for driving a plant such as a mechanical beam scanner and related system and method.
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Muramatsu, Atsushi; Kato, Kazuhiko; Hatano, Motohiro, Pneumatically controlled vibration damper.
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Muramatsu, Atsushi; Kato, Kazuhiko; Hatano, Motohiro, Pneumatically operated active vibration damping device.
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Mathai, Thomas; Dakhlallah, Hassan; King, Nigel; Beck, James F.; Achar, Nagari, Pneumatically tuned vehicle powertrain mounts.
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Thomas A. Baudendistel ; Sanjiv G. Tewani ; Mark W. Long ; James E. Dingle, Vacuum actuated active decoupler mount.
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Atsushi Muramatsu JP; Hiroyuki Ichikawa JP, Vibrator controlling method and vibrator.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

연합인증

Active vibration damping device having pneumatically oscillated mass member whose oscillation amplitude as well as frequency and phase are controllable 원문보기