JP2016006351A - 油圧システム - Google Patents
油圧システム Download PDFInfo
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- JP2016006351A JP2016006351A JP2015146911A JP2015146911A JP2016006351A JP 2016006351 A JP2016006351 A JP 2016006351A JP 2015146911 A JP2015146911 A JP 2015146911A JP 2015146911 A JP2015146911 A JP 2015146911A JP 2016006351 A JP2016006351 A JP 2016006351A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/12—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with streamlined valve member around which the fluid flows when the valve is opened
- F16K1/123—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with streamlined valve member around which the fluid flows when the valve is opened with stationary valve member and moving sleeve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
- F15B13/08—Assemblies of units, each for the control of a single servomotor only
- F15B13/0803—Modular units
- F15B13/0832—Modular valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/12—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with streamlined valve member around which the fluid flows when the valve is opened
- F16K1/126—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with streamlined valve member around which the fluid flows when the valve is opened actuated by fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
- F16K3/24—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
- F16K3/26—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
- F16K3/24—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
- F16K3/26—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member
- F16K3/265—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member with a sleeve sliding in the direction of the flow line
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/1221—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being spring-loaded
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/1226—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston the fluid circulating through the piston
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/124—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston servo actuated
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/445—Mechanical actuating means with exterior sleeve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/85978—With pump
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86493—Multi-way valve unit
- Y10T137/86501—Sequential distributor or collector type
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
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- Y10T137/86549—Selective reciprocation or rotation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86493—Multi-way valve unit
- Y10T137/86718—Dividing into parallel flow paths with recombining
- Y10T137/86759—Reciprocating
- Y10T137/86767—Spool
- Y10T137/86775—With internal passage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86493—Multi-way valve unit
- Y10T137/86718—Dividing into parallel flow paths with recombining
- Y10T137/86759—Reciprocating
- Y10T137/86791—Piston
- Y10T137/86799—With internal flow passage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
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- Y10T137/86493—Multi-way valve unit
- Y10T137/86879—Reciprocating valve unit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/87096—Valves with separate, correlated, actuators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
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- Y10T137/87249—Multiple inlet with multiple outlet
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T137/87499—Fluid actuated or retarded
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- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
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- Y10T137/8593—Systems
- Y10T137/87265—Dividing into parallel flow paths with recombining
- Y10T137/87555—Having direct response valve [e.g., check valve, etc.]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T137/877—With flow control means for branched passages
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- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/87917—Flow path with serial valves and/or closures
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Multiple-Way Valves (AREA)
- Fluid-Pressure Circuits (AREA)
- Sliding Valves (AREA)
- Valve Housings (AREA)
- Fluid-Driven Valves (AREA)
Abstract
【解決手段】第1バルブ部材64及び第2バルブ部材66を含むバルブが設けられる。第1バルブ部材64は、第1段部及び第1段部に隣接する第1オリフィス82を含む。第2バルブ部材66は、第2段部及び第2段部に隣接する第2オリフィス80を含む。第2バルブ部材66は、第1バルブ部材64に対して、第1オリフィス82が第2オリフィス80に流体接続する開位置と流体接続されない閉位置との間で移動可能である。第1及び第2段部は、第2バルブ部材66が閉位置にあるとき、第2オリフィス80に流体接続し、かつ、第1オリフィス82から実質的に遮断され、また、第1及び第2段部は、第2バルブ部材66が開位置にあるとき、第1及び第2オリフィス80、82に流体接続する。
【選択図】図1A
Description
本出願は、2008年6月2日に提出された米国仮特許出願第61/058083号について優先権を主張し、その全てを援用するものである。
以下の詳細な説明及び図面を参照して、開示されたシステムの実施形態が詳細に示されている。図は、いくつかの可能な実施形態を表すが、これらの図は、必ずしも正確な縮尺ではなく、開示された装置のよりよい図示及び説明のために、特定の特徴が誇張され、取除かれ、あるいは、一部が破断されている。更に、ここに示した説明は、完全なもの、あるいは、特許請求の範囲を図及び以下の詳細な説明に開示されたそのままの形状及び形態に限定、すなわち、制限することを意図していない。
に示されるように、共通の圧力源を利用してもよい。各メイン−ステージバルブ1630(図16において、4つのメイン−ステージバルブがバルブ(1)〜(4)として個々に識別されている)は、2つの分離したパイロットバルブ1662(図16において、5つのパイロットバルブがバルブA〜Eとして個々に識別されている)を使用する。一方のパイロットバルブバルブ1662は、メイン−ステージバルブ1630を開くために作動し、他方のパイロットバルブ1662は、そのメイン−ステージバルブ1630を閉じるために作動する。一連のバルブの端部に配置されたメイン−ステージバルブ1630は、1つのパイロットバルブ1662を隣接するメイン−ステージバルブ1630と共有する。例えば、メイン−ステージバルブ(1)は、パイロットバルブBを隣接するメイン−ステージバルブ(2)と共有し、メイン−ステージバルブ(4)は、パイロットバルブEを隣接するメイン−ステージバルブ(3)と共有する。一連のバルブの中間に配置されたメイン−ステージバルブ1630は、2つのパイロットバルブ1662を共有する。例えば、メイン−ステージバルブ(2)は、パイロットバルブBを隣接するメイン−ステージバルブ(1)と共有し、パイロットバルブCを隣接するメイン−ステージバルブ(3)と共有する。
圧力は、スプール2066の段部2012をスリーブ2064の段部2014から離れ、戻しバネ2006からはなれる方向に付勢しようとし、これにより、図20A及び20Bに示すように所定の圧力に達したとき、バルブ2030を閉じる。
実質的に流通が遮断されるが、オリフィス2280との接続が維持される。
Claims (4)
- 第1バルブ部材及び第2バルブ部材を含み、前記第1バルブ部材が前記第2バルブ部材に対して開位置と閉位置との間で摺動可能であり、前記第2バルブ部材が流体供給通路の少なくとも一部を形成する少なくとも1つのバルブと、
ポンプ入力軸及びポンプ出口を含み、前記ポンプ入力軸の少なくとも一部が前記流体供給通路内に延び、前記ポンプ出口が前記流体供給通路に流体接続することを特徴とする油圧システム。 - 前記ポンプは、固定容量型ポンプであることを特徴とする請求項1に記載の油圧システム。
- 複数の前記第2バルブ部材が共通の縦軸に沿って配置されていることを特徴とする請求項1に記載の油圧システム。
- 前記ポンプ入力軸及び前記流体供給通路は、前記ポンプ出口を少なくとも1つのバルブに流体接続する通路の少なくとも一部を形成することを特徴とする請求項1に記載の油圧システム。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US5808308P | 2008-06-02 | 2008-06-02 | |
| US61/058,083 | 2008-06-02 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014075635A Division JP5872612B2 (ja) | 2008-06-02 | 2014-04-01 | バルブマニホールド |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2016006351A true JP2016006351A (ja) | 2016-01-14 |
| JP6127250B2 JP6127250B2 (ja) | 2017-05-17 |
Family
ID=41378286
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011512583A Expired - Fee Related JP5641364B2 (ja) | 2008-06-02 | 2009-06-02 | バルブマニホールド |
| JP2014075635A Expired - Fee Related JP5872612B2 (ja) | 2008-06-02 | 2014-04-01 | バルブマニホールド |
| JP2015146911A Expired - Fee Related JP6127250B2 (ja) | 2008-06-02 | 2015-07-24 | 油圧システム |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011512583A Expired - Fee Related JP5641364B2 (ja) | 2008-06-02 | 2009-06-02 | バルブマニホールド |
| JP2014075635A Expired - Fee Related JP5872612B2 (ja) | 2008-06-02 | 2014-04-01 | バルブマニホールド |
Country Status (6)
| Country | Link |
|---|---|
| US (5) | US8356630B2 (ja) |
| EP (1) | EP2304248B1 (ja) |
| JP (3) | JP5641364B2 (ja) |
| KR (1) | KR101788872B1 (ja) |
| CN (1) | CN102112755B (ja) |
| WO (1) | WO2009149092A2 (ja) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8356630B2 (en) * | 2008-06-02 | 2013-01-22 | Eaton Corporation | Valve damping system |
| US10073071B2 (en) | 2010-06-07 | 2018-09-11 | David Deng | Heating system |
| IT1408375B1 (it) * | 2010-10-20 | 2014-06-20 | Gd Spa | Unita' e metodo di alimentazione di elementi additivi a del materiale fibroso in una macchina per la produzione di articoli da fumo |
| US10222057B2 (en) | 2011-04-08 | 2019-03-05 | David Deng | Dual fuel heater with selector valve |
| US9739389B2 (en) | 2011-04-08 | 2017-08-22 | David Deng | Heating system |
| US9200802B2 (en) | 2011-04-08 | 2015-12-01 | David Deng | Dual fuel heater with selector valve |
| CN102506198B (zh) * | 2011-10-20 | 2013-05-22 | 南京普鲁卡姆电器有限公司 | 双气源燃气自适应主控阀 |
| WO2013130768A1 (en) | 2012-02-28 | 2013-09-06 | Eaton Corporation | Digital hydraulic transformer and method for recovering energy and leveling hydraulic system loads |
| CN103697011B (zh) * | 2013-12-24 | 2015-09-09 | 江阴机械制造有限公司 | 弯管机用缓冲阀 |
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Also Published As
| Publication number | Publication date |
|---|---|
| KR20110025770A (ko) | 2011-03-11 |
| US20100012204A1 (en) | 2010-01-21 |
| US9435438B2 (en) | 2016-09-06 |
| US20100236651A1 (en) | 2010-09-23 |
| US8590570B2 (en) | 2013-11-26 |
| US20090293971A1 (en) | 2009-12-03 |
| EP2304248B1 (en) | 2016-05-04 |
| KR101788872B1 (ko) | 2017-10-20 |
| WO2009149092A2 (en) | 2009-12-10 |
| JP2011522195A (ja) | 2011-07-28 |
| CN102112755A (zh) | 2011-06-29 |
| WO2009149092A3 (en) | 2010-10-07 |
| EP2304248A2 (en) | 2011-04-06 |
| JP2014149084A (ja) | 2014-08-21 |
| US20090294709A1 (en) | 2009-12-03 |
| JP6127250B2 (ja) | 2017-05-17 |
| US8646481B2 (en) | 2014-02-11 |
| CN102112755B (zh) | 2014-07-23 |
| US20130276921A1 (en) | 2013-10-24 |
| JP5641364B2 (ja) | 2014-12-17 |
| US8464754B2 (en) | 2013-06-18 |
| US8356630B2 (en) | 2013-01-22 |
| JP5872612B2 (ja) | 2016-03-01 |
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