HYDRAULIC CONTROLLER

PROBLEM TO BE SOLVED: To provide a hydraulic controller capable of switching between a full discharge state and a half discharge state, and reducing a manufacturing cost because of a small size.SOLUTION: Between an oil pump 20, a control object OC and an oil tank OT, a first valve device 41, a secon...

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Bibliographische Detailangaben
Hauptverfasser:	KANEHARA KUNIO, MURAKAMI MAMORU, KOSUGI HIROAKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BLASTING CONTROLLING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING PHYSICS REGULATING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a hydraulic controller capable of switching between a full discharge state and a half discharge state, and reducing a manufacturing cost because of a small size.SOLUTION: Between an oil pump 20, a control object OC and an oil tank OT, a first valve device 41, a second valve device 42, a third valve device 43 and a fourth valve device 44 are provided, and a flow passage of each valve device is configured to be opened/closed by pressure in each oil passage. A full discharge state is a state where the first valve device is opened and the second valve device and the third valve device are closed, and a half discharge state is a state where the first valve device is closed and the second valve device and the third valve device are opened.SELECTED DRAWING: Figure 1 【課題】全吐出状態と半吐出状態とを切り換えることが可能で、小型で製造コストを低減できる油圧制御装置を提供する。【解決手段】オイルポンプ２０と制御対象ОＣとオイルタンクＯＴとの間に第１弁装置４１、第２弁装置４２、第３弁装置４３、第４弁装置４４を設け、各弁装置の流路は、各部油路内の圧力により開閉が行われる構成とする。全吐出状態は第１弁装置が開、第２弁装置、第３弁装置が閉の状態であり、半吐出状態は第１弁装置が閉、第２弁装置、第３弁装置が開の状態となる。【選択図】図１