CA974431A - Multispeed hydraulic or pneumatic device - Google Patents

Multispeed hydraulic or pneumatic device

Info

Publication number
CA974431A
CA974431A CA166,029A CA166029A CA974431A CA 974431 A CA974431 A CA 974431A CA 166029 A CA166029 A CA 166029A CA 974431 A CA974431 A CA 974431A
Authority
CA
Canada
Prior art keywords
multispeed
hydraulic
pneumatic device
pneumatic
multispeed hydraulic
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
CA166,029A
Other languages
English (en)
Other versions
CA166029S (en
Inventor
Anders I. Bryntse
Karl-Erik Berkestad
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.)
Bygg Och Transportekonomi BT AB
Original Assignee
Bygg Och Transportekonomi BT AB
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 Bygg Och Transportekonomi BT AB filed Critical Bygg Och Transportekonomi BT AB
Application granted granted Critical
Publication of CA974431A publication Critical patent/CA974431A/en
Expired 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/204—Control means for piston speed or actuating force without external control, e.g. control valve inside the piston
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1409—Characterised by the construction of the motor unit of the straight-cylinder type with two or more independently movable working pistons

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Reciprocating Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Earth Drilling (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
CA166,029A 1972-03-24 1973-03-13 Multispeed hydraulic or pneumatic device Expired CA974431A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7203859A SE370267B (da) 1972-03-24 1972-03-24

Publications (1)

Publication Number Publication Date
CA974431A true CA974431A (en) 1975-09-16

Family

ID=20263022

Family Applications (2)

Application Number Title Priority Date Filing Date
CA166,030A Expired CA973064A (en) 1972-03-24 1973-03-13 Multispeed hydraulic or pneumatic device
CA166,029A Expired CA974431A (en) 1972-03-24 1973-03-13 Multispeed hydraulic or pneumatic device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA166,030A Expired CA973064A (en) 1972-03-24 1973-03-13 Multispeed hydraulic or pneumatic device

Country Status (14)

Country Link
US (2) US3824897A (da)
JP (2) JPS5627725B2 (da)
BE (2) BE796722A (da)
CA (2) CA973064A (da)
CH (2) CH546347A (da)
DE (2) DE2314402A1 (da)
DK (2) DK139937B (da)
FI (2) FI57649C (da)
FR (2) FR2178002B1 (da)
GB (2) GB1380889A (da)
IT (2) IT979983B (da)
NL (2) NL7304143A (da)
NO (2) NO138877C (da)
SE (1) SE370267B (da)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4258609A (en) * 1977-10-11 1981-03-31 Conway John P Dual speed hydraulic piston assembly
US4392220A (en) * 1980-05-30 1983-07-05 Nippon Electric Co., Ltd. Modem to be coupled to a directional transmission line of an SS multiplex communication network
AT389079B (de) * 1988-05-19 1989-10-10 Engel Gmbh Maschbau Schliessmechanismus einer spritzgiessmaschine
JP2986696B2 (ja) * 1994-12-08 1999-12-06 シーケーディ株式会社 エアベアリングシリンダ及びシリンダシステム
CA2507149A1 (en) * 2005-05-12 2006-11-12 P & M Design & Consulting Ltd. Pneumatic cylinder
CN113606205B (zh) * 2021-08-04 2023-09-15 盾构及掘进技术国家重点实验室 一种基于分布式主动柱塞的tbm撑靴装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2049335A (en) * 1934-09-15 1936-07-28 William G Stephens Quick action hydraulic jack
US2284228A (en) * 1940-03-18 1942-05-26 Herbert E Page Pressure multiplying mechanism
US2571658A (en) * 1946-07-22 1951-10-16 Hpm Dev Corp Multiple area piston means
US2532735A (en) * 1949-05-06 1950-12-05 American Steel Foundries Hydraulic press with auxiliary pump in cooling by-pass
GB654191A (en) * 1949-07-12 1951-06-13 Laycock Engineering Company Lt Improvements in or relating to hydraulic jacks, presses and like hydraulic apparatus
DE1765271U (de) * 1956-06-21 1958-04-17 Ludwig Rexroth Eilgangkolben.
CH338099A (fr) * 1957-08-26 1959-04-30 Charmilles Sa Ateliers Servo-mécanisme pour contrôler les déplacements d'une électrode dans une machine à électro-érosion
US3134232A (en) * 1961-10-02 1964-05-26 Walker Mfg Co Jack
DE2007711C3 (de) * 1970-02-19 1974-03-07 Michael Maurus 6710 Frankenthal Glas Kolbengetriebe mit Eilgang und Krafthub

Also Published As

Publication number Publication date
DK140058C (da) 1979-11-12
CH545919A (da) 1974-02-15
NO140924B (no) 1979-09-03
FI57650C (fi) 1980-09-10
NL7304144A (da) 1973-09-26
FR2178002B1 (da) 1976-04-23
IT979983B (it) 1974-09-30
BE796722A (fr) 1973-07-02
BE796718A (fr) 1973-07-02
FI57649C (fi) 1980-09-10
CA973064A (en) 1975-08-19
FI57649B (fi) 1980-05-30
FR2178002A1 (da) 1973-11-09
NO138877C (no) 1978-11-29
NO140924C (no) 1979-12-12
DK139937C (da) 1979-10-22
CH546347A (de) 1974-02-28
FR2177999A1 (da) 1973-11-09
JPS496377A (da) 1974-01-21
DE2314402A1 (de) 1973-10-04
DK139937B (da) 1979-05-21
FR2177999B1 (da) 1976-04-23
US3828650A (en) 1974-08-13
FI57650B (fi) 1980-05-30
GB1382378A (en) 1975-01-29
DK140058B (da) 1979-06-11
NO138877B (no) 1978-08-21
SE370267B (da) 1974-10-07
NL7304143A (da) 1973-09-26
GB1380889A (en) 1975-01-15
IT979982B (it) 1974-09-30
JPS5627725B2 (da) 1981-06-26
DE2314403A1 (de) 1973-10-04
US3824897A (en) 1974-07-23
JPS496376A (da) 1974-01-21

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