IT1156552B - MINIATURIZED HYDRAULIC CONTROL UNIT WITH DOUBLE DIRECTION OF PUMP - Google Patents
MINIATURIZED HYDRAULIC CONTROL UNIT WITH DOUBLE DIRECTION OF PUMPInfo
- Publication number
- IT1156552B IT1156552B IT03353/82A IT335382A IT1156552B IT 1156552 B IT1156552 B IT 1156552B IT 03353/82 A IT03353/82 A IT 03353/82A IT 335382 A IT335382 A IT 335382A IT 1156552 B IT1156552 B IT 1156552B
- Authority
- IT
- Italy
- Prior art keywords
- pump
- hydraulic
- control unit
- hydraulic control
- mouth
- Prior art date
Links
Classifications
-
- 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
- F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
- F15B7/005—With rotary or crank input
- F15B7/006—Rotary pump input
Abstract
In order to obtain a hydraulic power unit of small dimensions and simple construction, particularly adapted for double-acting hydraulic actuators, the pump (A) of the power unit is constituted by a reversible pump, activated, for example, by a reversible electric motor, while the two mouths (B, B min ) of the pump, each of which can operate alternately as a suction mouth and as a delivery mouth, are each connected or connectible, possibly by means of a hydraulic distributor (R), at one side to conduits (C, C min or C sec , C''') for connection to the user and at the other side to the tank (H) for the hydraulic liquid either by means of associated unidirectional valves (F, F min ) opening in the direction of the flow from the tank (H) to the respective mouth (B, B min ), or - parallelly with said unidirectional valves (F, F min ) - by means of associated automatic pressure relief valves (L, L min ).
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT03353/82A IT1156552B (en) | 1982-03-02 | 1982-03-02 | MINIATURIZED HYDRAULIC CONTROL UNIT WITH DOUBLE DIRECTION OF PUMP |
AT83101948T ATE24027T1 (en) | 1982-03-02 | 1983-02-28 | HYDRAULIC SUPPLY UNIT. |
DE8383101948T DE3368096D1 (en) | 1982-03-02 | 1983-02-28 | Hydraulic power unit |
EP83101948A EP0087794B1 (en) | 1982-03-02 | 1983-02-28 | Hydraulic power unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT03353/82A IT1156552B (en) | 1982-03-02 | 1982-03-02 | MINIATURIZED HYDRAULIC CONTROL UNIT WITH DOUBLE DIRECTION OF PUMP |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8203353A0 IT8203353A0 (en) | 1982-03-02 |
IT1156552B true IT1156552B (en) | 1987-02-04 |
Family
ID=11105531
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT03353/82A IT1156552B (en) | 1982-03-02 | 1982-03-02 | MINIATURIZED HYDRAULIC CONTROL UNIT WITH DOUBLE DIRECTION OF PUMP |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0087794B1 (en) |
AT (1) | ATE24027T1 (en) |
DE (1) | DE3368096D1 (en) |
IT (1) | IT1156552B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2239488B (en) * | 1989-12-19 | 1993-11-03 | Marinex Ind Limited | Hydraulic actuator for marine drives |
FR2687206B1 (en) * | 1992-02-12 | 1995-06-16 | Berruyer Jean Jacques | CONTROL DEVICE FOR VALVES. |
NL9401692A (en) * | 1994-10-13 | 1996-05-01 | Applied Power Inc | Hydraulic operating device and gearbox provided with such an operating device. |
US5778671A (en) * | 1996-09-13 | 1998-07-14 | Vickers, Inc. | Electrohydraulic system and apparatus with bidirectional electric-motor/hydraulic-pump unit |
WO2001046277A2 (en) | 1999-12-22 | 2001-06-28 | Exxonmobil Chemical Patents, Inc. | Polypropylene-based adhesive compositions |
DE102011117486A1 (en) | 2011-10-26 | 2013-05-02 | Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg | Switching arrangement for a motor vehicle transmission |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2552624A (en) * | 1948-09-13 | 1951-05-15 | Frederick W Enzenbacher | Door closing apparatus, including electrically driven gear pump and oscillating vanemotor hydraulic transmission |
DE1916266A1 (en) * | 1968-05-21 | 1970-10-08 | Bbc Brown Boveri & Cie | Electrohydraulic actuator |
DE2656553A1 (en) * | 1976-12-14 | 1978-06-15 | Bosch Gmbh Robert | DEVICE FOR MOVING IN PARTICULAR SWIVELING CONSTRUCTION PARTS |
-
1982
- 1982-03-02 IT IT03353/82A patent/IT1156552B/en active
-
1983
- 1983-02-28 EP EP83101948A patent/EP0087794B1/en not_active Expired
- 1983-02-28 DE DE8383101948T patent/DE3368096D1/en not_active Expired
- 1983-02-28 AT AT83101948T patent/ATE24027T1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0087794B1 (en) | 1986-12-03 |
IT8203353A0 (en) | 1982-03-02 |
EP0087794A2 (en) | 1983-09-07 |
EP0087794A3 (en) | 1984-09-05 |
ATE24027T1 (en) | 1986-12-15 |
DE3368096D1 (en) | 1987-01-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19940325 |