DE3445418C2 - - Google Patents

Info

Publication number
DE3445418C2
DE3445418C2 DE3445418A DE3445418A DE3445418C2 DE 3445418 C2 DE3445418 C2 DE 3445418C2 DE 3445418 A DE3445418 A DE 3445418A DE 3445418 A DE3445418 A DE 3445418A DE 3445418 C2 DE3445418 C2 DE 3445418C2
Authority
DE
Germany
Prior art keywords
pressure
bore
control
piston
pressure transducer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE3445418A
Other languages
German (de)
English (en)
Other versions
DE3445418A1 (de
Inventor
Karl Dr.-Ing. Ddr 7030 Leipzig Dd Bittel
Rudi Ddr 7022 Leipzig Dd Bardoux
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HOCHDRUCK- UND SONDERHYDRAULIK LEIPZIG GMBH, 04157
Original Assignee
VEB KOMBINAT ORSTA-HYDRAULIK DDR 7010 LEIPZIG DD
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by VEB KOMBINAT ORSTA-HYDRAULIK DDR 7010 LEIPZIG DD filed Critical VEB KOMBINAT ORSTA-HYDRAULIK DDR 7010 LEIPZIG DD
Publication of DE3445418A1 publication Critical patent/DE3445418A1/de
Application granted granted Critical
Publication of DE3445418C2 publication Critical patent/DE3445418C2/de
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L25/00—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means
    • F01L25/02—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means
    • F01L25/04—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means by working-fluid of machine or engine, e.g. free-piston machine
    • F01L25/06—Arrangements with main and auxiliary valves, at least one of them being fluid-driven
    • F01L25/066—Arrangements with main and auxiliary valves, at least one of them being fluid-driven piston or piston-rod being used as auxiliary valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Reciprocating Pumps (AREA)
  • Multiple-Way Valves (AREA)
  • Control Of Fluid Pressure (AREA)
  • Fluid-Driven Valves (AREA)
DE19843445418 1984-06-07 1984-12-13 Doppeltwirkender druckwandler Granted DE3445418A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD26387884 1984-06-07

Publications (2)

Publication Number Publication Date
DE3445418A1 DE3445418A1 (de) 1985-12-12
DE3445418C2 true DE3445418C2 (US07696358-20100413-C00002.png) 1988-01-07

Family

ID=5557720

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843445418 Granted DE3445418A1 (de) 1984-06-07 1984-12-13 Doppeltwirkender druckwandler

Country Status (5)

Country Link
US (1) US4735051A (US07696358-20100413-C00002.png)
JP (1) JPS60261984A (US07696358-20100413-C00002.png)
DE (1) DE3445418A1 (US07696358-20100413-C00002.png)
FR (1) FR2565637B1 (US07696358-20100413-C00002.png)
GB (1) GB2159890B (US07696358-20100413-C00002.png)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD210107B1 (de) * 1982-09-27 1989-02-01 Orsta Hydraulik Veb K Doppeltwirkender druckwandler
DE3445418A1 (de) * 1984-06-07 1985-12-12 Veb Kombinat Orsta-Hydraulik, Ddr 7010 Leipzig Doppeltwirkender druckwandler
DE3640236A1 (de) * 1986-11-25 1988-06-01 Rexroth Mannesmann Gmbh Anordnung zum erzeugen hoher hydraulischer druecke
US5588808A (en) * 1994-12-08 1996-12-31 Hytech Pumps International, Inc. Pump pressure multiplier
US5564912A (en) * 1995-09-25 1996-10-15 Peck; William E. Water driven pump
DE102010052158A1 (de) 2010-11-22 2012-05-24 Karl Bittel Hydro-Einspritzsystem

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE331304C (de) * 1920-05-28 1921-01-05 Johannes Krueger Schiebersteuerung fuer Dampfmaschinen, insbesondere Dampfpumpen
US2652780A (en) * 1949-11-02 1953-09-22 Denison Eng Co Hydraulic pressure booster
DE1503334A1 (de) * 1962-12-03 1969-11-06 Keelavite Hydraulics Ltd Hydraulische Vorrichtung zum Erzeugen einer hin- und hergehenden Bewegung
DE2019856C3 (de) * 1970-04-24 1979-10-25 Paul 4740 Oelde Hammelmann Vorrichtung zum Einführen von Netzmitteln, Lösungsmitteln, waschaktiven Substanzen o.dgl. in einen Preßwasserstrom eines Reinigungsgerätes
DE2020317A1 (de) * 1970-04-25 1971-11-11 Krueger Gmbh H Pumpvorrichtung
US3780621A (en) * 1971-06-07 1973-12-25 Atlas Copco Ab Hydraulic fluid actuated percussion tool
US4068983A (en) * 1975-07-28 1978-01-17 Charles S. Madan & Company Limited Piston pumps driven by fluid-actuated piston having a constant fluid force against the small area surface
ES468200A2 (es) * 1976-02-11 1978-12-16 Mallofre Salvador Gali Perfeccionamientos en instalaciones neumaticas.
ES469097A1 (es) * 1978-03-31 1980-06-16 Crespo Jose T G Aparato hidraulico para producir impactos
US4397614A (en) * 1978-10-24 1983-08-09 Fluid Devices Limited Unbalanced spool
DD210107B1 (de) * 1982-09-27 1989-02-01 Orsta Hydraulik Veb K Doppeltwirkender druckwandler
DE3445418A1 (de) * 1984-06-07 1985-12-12 Veb Kombinat Orsta-Hydraulik, Ddr 7010 Leipzig Doppeltwirkender druckwandler

Also Published As

Publication number Publication date
GB2159890B (en) 1987-09-09
FR2565637A1 (fr) 1985-12-13
GB8503036D0 (en) 1985-03-06
GB2159890A (en) 1985-12-11
FR2565637B1 (fr) 1989-06-30
US4735051A (en) 1988-04-05
DE3445418A1 (de) 1985-12-12
JPS60261984A (ja) 1985-12-25

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ORSTA-HYDRAULIK AG LEIPZIG, O-7010 LEIPZIG, DE

8327 Change in the person/name/address of the patent owner

Owner name: SACHSENHYDRAULIK GMBH CHEMNITZ, 09119 CHEMNITZ, DE

8327 Change in the person/name/address of the patent owner

Owner name: HOCHDRUCK- UND SONDERHYDRAULIK LEIPZIG GMBH, 04157

8339 Ceased/non-payment of the annual fee