DE2810894C2 - - Google Patents

Info

Publication number
DE2810894C2
DE2810894C2 DE19782810894 DE2810894A DE2810894C2 DE 2810894 C2 DE2810894 C2 DE 2810894C2 DE 19782810894 DE19782810894 DE 19782810894 DE 2810894 A DE2810894 A DE 2810894A DE 2810894 C2 DE2810894 C2 DE 2810894C2
Authority
DE
Germany
Prior art keywords
cylinder
piston
translation
feed
working
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
DE19782810894
Other languages
German (de)
English (en)
Other versions
DE2810894A1 (de
Inventor
Josef Niedererlinsbach Ch Koch
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of DE2810894A1 publication Critical patent/DE2810894A1/de
Application granted granted Critical
Publication of DE2810894C2 publication Critical patent/DE2810894C2/de
Granted legal-status Critical Current

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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/028—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force
    • F15B11/032—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force by means of fluid-pressure converters
    • F15B11/0325—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force by means of fluid-pressure converters the fluid-pressure converter increasing the working force after an approach stroke
    • 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
    • F15B2211/21—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
    • F15B2211/216—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being pneumatic-to-hydraulic converters
    • 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7053—Double-acting output members
    • 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/775—Combined control, e.g. control of speed and force for providing a high speed approach stroke with low force followed by a low speed working stroke with high force, e.g. for a hydraulic press

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
DE19782810894 1977-03-24 1978-03-13 Pneumatisch hydraulischer zylinder Granted DE2810894A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH374277A CH616992A5 (en) 1977-03-24 1977-03-24 Pneumatic-hydraulic piston/cylinder unit, in particular for the actuation of tools

Publications (2)

Publication Number Publication Date
DE2810894A1 DE2810894A1 (de) 1978-10-05
DE2810894C2 true DE2810894C2 (ja) 1987-08-13

Family

ID=4262518

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782810894 Granted DE2810894A1 (de) 1977-03-24 1978-03-13 Pneumatisch hydraulischer zylinder

Country Status (3)

Country Link
CH (1) CH616992A5 (ja)
DE (1) DE2810894A1 (ja)
FR (1) FR2384977A1 (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1132441A (en) * 1980-05-22 1982-09-28 Gerard G.F. Smeets Pressure intensifier systems
EP0070145A1 (en) * 1981-07-07 1983-01-19 Onar Hydraulic Limited Portable power source and tools
FR2533497A1 (fr) * 1982-09-27 1984-03-30 Cariou Marie Presse a haute pression oleopneumatique
DE3828699A1 (de) * 1988-08-24 1990-03-01 Eugen Rapp Verfahren zur oelauffuellung eines hydro-pneumatischen druckuebersetzers und einrichtung zur durchfuehrung des verfahrens
IT1247263B (it) * 1991-02-28 1994-12-12 Carlo Brasca Testa di pressa pneumo-idraulica ad elevata velocita' di azionamento.
DE4221638B4 (de) * 1992-07-02 2005-11-03 Tox Pressotechnik Gmbh & Co. Kg Verfahren für einen hydraulischen Druckübersetzer
DE4223411A1 (de) * 1992-07-02 1994-01-05 Pressotechnik Pressen Und Werk Hydropneumatischer Druckübersetzer
CA2102762A1 (en) * 1993-11-09 1995-05-10 Viljo K. Valavaara Two-stage pressure cylinder

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB944631A (en) * 1961-10-30 1963-12-18 North Hants Engineering Co Ltd Improvements in fluid-operated actuators
DE2017007A1 (de) * 1970-04-09 1971-10-21 Geisel K Pneumatisch hydraulischer Kolben trieb
DE2258593A1 (de) * 1972-11-30 1974-06-12 Erhard Stueber Druckgasbetaetigter zylinder mit hydraulischer kraftverstaerkung

Also Published As

Publication number Publication date
FR2384977A1 (fr) 1978-10-20
FR2384977B1 (ja) 1984-05-11
DE2810894A1 (de) 1978-10-05
CH616992A5 (en) 1980-04-30

Similar Documents

Publication Publication Date Title
DE2505553C2 (de) Druckmittelgespeister Betätigungszylinder
DE2365234A1 (de) Zylindereinheit
DE3637823C2 (de) Hilfskraftbetätigtes Spannfutter
DE2810894C2 (ja)
DE19606220C2 (de) Arbeitszylinder
DE1964076C3 (de) Arbeitszylinder mit Eilgang und Krafthub
DE3615269A1 (de) Positioniervorrichtung
AT518208B1 (de) Umschaltventil zum steuern eines fluidstromes
DE2258593A1 (de) Druckgasbetaetigter zylinder mit hydraulischer kraftverstaerkung
DE19747298A1 (de) Schweißzangenzylinder
DE2123263C2 (de) Hydraulischer Antrieb für Eilvorlauf, Arbeitshub und Eilrücklauf
DE1301761B (de) Pneumatisch-hydraulischer Druckumsetzer mit selbsttaetiger Umsteuerung einer Steuervorrichtung fuer Einspanneinrichtungen, wie Schraubstoecke u. dgl.
DE2904371A1 (de) Vorrichtung zum ausueben schlagartiger kraefte auf werkstuecke
DE713220C (de) Hydraulische Einspannvorrichtung
DE1301252B (de) Zylindereinheit mit Druckuebersetzung
DE1477455C3 (de) Hydraulisches Vorschubgetriebe
DE2456878B2 (de) Doppeltwirkender druckmittelbetätigter Stellzylinder mit einer längs- und drehbeweglichen Kolbenstange
DE2247596A1 (de) Zylinderanordnung mit arbeitskolben und vorhubkolben
DE2900281A1 (de) Druckluftzylinder mit einer daempfungsvorrichtung
EP0071655B1 (de) Pneumatisch betätigte Hydraulikpumpe
DE69014089T2 (de) Druckverstärkungseinrichtung.
DE2641250A1 (de) Druckfluid-impulsfrequenzumwandler
DE2036299C (de) DruckmitteSbetätigter Zylinder
DE2116018C3 (de) Hydrauliksystem für die Ziehkissenbetätigung an Pressen mit mehrteiligen PreBstempeln
DE2544987C2 (de) Steuereinrichtung für ein pneumatisches oder hydraulisches Druckmittel

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8127 New person/name/address of the applicant

Owner name: ROBERT BOSCH GMBH, 7000 STUTTGART, DE

8125 Change of the main classification

Ipc: F15B 3/00

D2 Grant after examination
8364 No opposition during term of opposition
8320 Willingness to grant licenses declared (paragraph 23)
8339 Ceased/non-payment of the annual fee