JP2007139188A - 複式ポンプ高低圧油圧回路 - Google Patents
複式ポンプ高低圧油圧回路 Download PDFInfo
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- JP2007139188A JP2007139188A JP2006284492A JP2006284492A JP2007139188A JP 2007139188 A JP2007139188 A JP 2007139188A JP 2006284492 A JP2006284492 A JP 2006284492A JP 2006284492 A JP2006284492 A JP 2006284492A JP 2007139188 A JP2007139188 A JP 2007139188A
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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
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/44—Control of exclusively fluid gearing hydrostatic with more than one pump or motor in operation
- F16H61/448—Control circuits for tandem pumps or motors
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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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
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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
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/4008—Control of circuit pressure
- F16H61/4017—Control of high pressure, e.g. avoiding excess pressure by a relief valve
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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
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/4078—Fluid exchange between hydrostatic circuits and external sources or consumers
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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
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/4148—Open loop circuits
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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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20507—Type of prime mover
- F15B2211/20523—Internal combustion engine
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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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20576—Systems with pumps with multiple pumps
- F15B2211/20592—Combinations of pumps for supplying high and low pressure
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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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
- F15B2211/4159—Flow control characterised by the connections of the flow control means in the circuit being connected to a pressure source, an output member and a return line
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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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/42—Flow control characterised by the type of actuation
- F15B2211/428—Flow control characterised by the type of actuation actuated by fluid pressure
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/45—Control of bleed-off flow, e.g. control of bypass flow to the return line
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/50—Pressure control
- F15B2211/505—Pressure control characterised by the type of pressure control means
- F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
- F15B2211/50518—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/615—Filtering means
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/62—Cooling or heating means
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/625—Accumulators
Abstract
【解決手段】エンジン駆動車両のための油圧装置が提供されている。この油圧装置は、加圧流体を、第一の供給ライン26を介して高圧回路11へ供給するための高圧エンジン駆動ポンプ12を含んでいる。この装置はまた、低圧流体を、第二の供給ライン24を介して低圧回路13へ供給するための低圧エンジン駆動ポンプ20をも含んでいる。当該装置はまた、圧力応答逃がし弁30をも含んでいる。圧力逃がし弁30は、前記第一の供給ラインに接続された検知ポート36と、前記第一の供給ラインに接続された入口32と、前記第二の供給ラインを介して前記第二の回路に接続されている出口34とを備えている。前記圧力逃がし弁30は、前記高圧回路の必要性が満たされたときに開く。締切弁52が、前記高圧回路11とリザーバ70との間の連通を制御し、制御ユニットが、前記高圧回路の動作の関数として前記締切弁を制御する。
【選択図】図1
Description
10 油圧装置、
11 高圧の静圧ユニット制御装置、
12 高圧容積形ポンプ、
13 IVT静圧制御ユニット、
14 フィルタ、
20 低圧容積形ポンプ、
24 第二の供給ライン、
26 第一の供給ライン、
30 圧力調整逃がし弁、
32 入口、 34 出口、
36 圧力検知ポート、
38 オリフィス、
40 圧力設定ばね、
44 冷却フローライン、
46 フィルタ、
48 冷却剤/潤滑剤ライン、
50 フィルタ、
52 ソレノイド作動電気−油圧ループ排水締切弁、
53 オリフィス、
54 圧力逃がし弁、
56 ライン、
58 アキュムレータ、
60 ライン、
62 油冷却装置、
64 冷却装置逃がし弁、
66 フィルタ、
68 ライン、
70 リザーバ、
72 潤滑剤圧力逃がし弁、
74 ライン、
80 電子制御ユニット、
82 対地速度又は車輪速度センサー、
84 エンジンスロットル位置センサー、
86 レバー位置センサー、
88 速度又は駆動制御レバー
Claims (10)
- 車両用油圧装置であり、
第一の供給ラインを介して加圧流体を高圧回路へ供給するための高圧ポンプと、
第二の供給ラインを介して加圧流体を低圧回路へ供給するための低圧ポンプと、
前記高圧回路とリザーバとの間の連通を制御する締切弁と、
前記第一の供給ラインに接続された入口と、前記第二の供給ラインに接続された出口と、前記第一の供給ラインと連通している圧力検知ポートと、前記高圧回路の必要性が満たされると開き且つ流体を前記高圧ポンプによって生成される圧力よりも低い圧力で前記第一の供給ラインから前記第二の供給ラインへ供給する圧力調整逃がし弁と、
前記高圧回路の動作の関数として前記締切弁を制御する制御ユニットとを含む車両用油圧装置。 - 請求項1に記載の車両用油圧装置であり、
前記締切弁が、前記高圧回路と連通している入口と、リザーバ及び弁部材に連通している出口とを有し、前記弁部材が、前記入口が前記出口と自由に連通する第一の位置と、前記入口がオリフィスを介して前記出口と連通する第二の位置とを有している車両用油圧装置。 - 請求項1に記載の車両用油圧装置であり、
前記高圧回路がトランスミッションの動作の関数として前記締切弁を制御するようになされている車両用油圧装置。 - 請求項1に記載の車両用油圧装置であり、
前記高圧回路が無限可変トランスミッション(IVT)の一部分を形成しており、
前記制御ユニットが前記IVTの動作の関数として前記締切弁を制御している車両用油圧装置。 - 請求項1に記載の車両用油圧装置であり、
前記高圧ポンプと前記低圧ポンプとがエンジンによって駆動される車両用油圧装置。 - 高圧回路によって制御されるアクチュエータを備えた静圧ユニットと、低圧回路によって制御される制御クラッチとを備えているトランスミッションを駆動するエンジンを備えた車両のための油圧装置であって、
加圧流体を第一の供給ラインを介して前記高圧回路に供給するための高圧容積形ポンプと、
低圧流体を第二の供給ラインを介して前記低圧回路に供給するための低圧容積形ポンプと、
前記高圧回路の必要性が満たされると作動して、流体を前記高圧ポンプによって形成される圧力よりも低い圧力で前記第一の供給ラインから前記第二の供給ラインへ供給する圧力応答弁と、
前記高圧回路とリザーバとの間の連通を制御する締切弁と、
前記第一の供給ラインに接続された入口と、前記第二の供給ラインに接続された出口と、前記第一の供給ラインと連通している圧力検知ポートとを有する圧力調整逃がし弁であって、前記高圧回路の必要性が満たされると開いて流体を前記高圧ポンプによって形成される圧力より低い圧力で前記第一の供給ラインから前記第二の供給ラインへ供給する前記圧力調整逃がし弁と、
前記締切弁を前記高圧回路の動作の関数として制御する制御ユニットとを含む油圧装置。 - 請求項6に記載の油圧装置であって、
前記締切弁は、前記高圧回路と連通した入口と、リザーバと連通している出口と、弁部材とを備え、当該弁部材が、前記入口が前記出口と自由に連通している第一の位置と、前記入口がオリフィスを介して前記出口と連通する第二の位置とを有している油圧装置。 - 請求項6に記載の油圧装置であって、
前記制御ユニットが、前記トランスミッションの動作の関数として前記締切弁を制御するようになされている油圧装置。 - 請求項6に記載の油圧装置であって、
前記トランスミッションが無限可変トランスミッション(IVT)を含んでおり、前記制御ユニットが前記IVTの動作の関数として前記締切弁を制御するようになされた油圧装置。 - 請求項6に記載の油圧装置であって、
前記高圧ポンプと前記低圧ポンプとが前記エンジンによって駆動される油圧装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/280,522 | 2005-11-16 | ||
US11/280,522 US7401465B2 (en) | 2005-11-16 | 2005-11-16 | Dual pump dual pressure hydraulic circuit |
Publications (2)
Publication Number | Publication Date |
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JP2007139188A true JP2007139188A (ja) | 2007-06-07 |
JP5177990B2 JP5177990B2 (ja) | 2013-04-10 |
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Application Number | Title | Priority Date | Filing Date |
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JP2006284492A Expired - Fee Related JP5177990B2 (ja) | 2005-11-16 | 2006-10-19 | 複式ポンプ高低圧油圧回路 |
Country Status (6)
Country | Link |
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US (1) | US7401465B2 (ja) |
EP (1) | EP1788288B1 (ja) |
JP (1) | JP5177990B2 (ja) |
BR (1) | BRPI0604367A (ja) |
CA (1) | CA2566115A1 (ja) |
MX (1) | MXPA06012736A (ja) |
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2005
- 2005-11-16 US US11/280,522 patent/US7401465B2/en active Active
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2006
- 2006-10-19 JP JP2006284492A patent/JP5177990B2/ja not_active Expired - Fee Related
- 2006-10-30 BR BRPI0604367-4A patent/BRPI0604367A/pt not_active Application Discontinuation
- 2006-10-30 CA CA002566115A patent/CA2566115A1/en not_active Abandoned
- 2006-11-03 MX MXPA06012736A patent/MXPA06012736A/es active IP Right Grant
- 2006-11-14 EP EP06124053A patent/EP1788288B1/en not_active Expired - Fee Related
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JPH09264423A (ja) * | 1996-03-28 | 1997-10-07 | Mitsubishi Agricult Mach Co Ltd | 走行車輌の静油圧駆動変速装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2012108045A1 (ja) | 2011-02-10 | 2012-08-16 | 富士通株式会社 | 無線データ送信方法、通信システム、無線端末装置及び無線基地局装置 |
Also Published As
Publication number | Publication date |
---|---|
EP1788288A2 (en) | 2007-05-23 |
US20070107421A1 (en) | 2007-05-17 |
CA2566115A1 (en) | 2007-05-16 |
JP5177990B2 (ja) | 2013-04-10 |
EP1788288A3 (en) | 2010-04-14 |
US7401465B2 (en) | 2008-07-22 |
EP1788288B1 (en) | 2011-06-15 |
MXPA06012736A (es) | 2007-05-15 |
BRPI0604367A (pt) | 2007-08-28 |
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