CH427418A - Hydraulic shock absorber - Google Patents

Hydraulic shock absorber

Info

Publication number
CH427418A
CH427418A CH1630064A CH1630064A CH427418A CH 427418 A CH427418 A CH 427418A CH 1630064 A CH1630064 A CH 1630064A CH 1630064 A CH1630064 A CH 1630064A CH 427418 A CH427418 A CH 427418A
Authority
CH
Switzerland
Prior art keywords
shock absorber
hydraulic shock
hydraulic
absorber
shock
Prior art date
Application number
CH1630064A
Other languages
French (fr)
Inventor
Schenk Ferdinand
Scherer Charles
Original Assignee
Schenk Ferdinand
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 Schenk Ferdinand filed Critical Schenk Ferdinand
Priority to CH1630064A priority Critical patent/CH427418A/en
Priority to GB5247465A priority patent/GB1124357A/en
Priority to DE19651269841 priority patent/DE1269841B/en
Priority to AT1128665A priority patent/AT266644B/en
Priority to FR42394A priority patent/FR1466595A/en
Priority to BE673859D priority patent/BE673859A/xx
Priority to US516855A priority patent/US3367454A/en
Publication of CH427418A publication Critical patent/CH427418A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/06—Door or gate operation of sliding doors
    • B66B13/08—Door or gate operation of sliding doors guided for horizontal movement
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/48—Arrangements for providing different damping effects at different parts of the stroke
    • F16F9/486—Arrangements for providing different damping effects at different parts of the stroke comprising a pin or stem co-operating with an aperture, e.g. a cylinder-mounted stem co-operating with a hollow piston rod
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
    • F16F9/512—Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/104—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for elevators

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Damping Devices (AREA)
CH1630064A 1964-12-16 1964-12-16 Hydraulic shock absorber CH427418A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CH1630064A CH427418A (en) 1964-12-16 1964-12-16 Hydraulic shock absorber
GB5247465A GB1124357A (en) 1964-12-16 1965-12-10 Improvements in hydraulic damping devices
DE19651269841 DE1269841B (en) 1964-12-16 1965-12-14 Hydraulic shock absorber, especially for door closers
AT1128665A AT266644B (en) 1964-12-16 1965-12-15 Hydraulic speed limiter
FR42394A FR1466595A (en) 1964-12-16 1965-12-15 Hydraulic shock absorber, in particular for closing automatic doors
BE673859D BE673859A (en) 1964-12-16 1965-12-16
US516855A US3367454A (en) 1964-12-16 1965-12-28 Hydraulic damping devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1630064A CH427418A (en) 1964-12-16 1964-12-16 Hydraulic shock absorber

Publications (1)

Publication Number Publication Date
CH427418A true CH427418A (en) 1966-12-31

Family

ID=4416116

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1630064A CH427418A (en) 1964-12-16 1964-12-16 Hydraulic shock absorber

Country Status (6)

Country Link
AT (1) AT266644B (en)
BE (1) BE673859A (en)
CH (1) CH427418A (en)
DE (1) DE1269841B (en)
FR (1) FR1466595A (en)
GB (1) GB1124357A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4284177A (en) * 1979-05-14 1981-08-18 Efdyn Corporation Self-adjusting shock absorber having staged metering
DE4243645A1 (en) * 1992-12-23 1994-06-30 Dorma Gmbh & Co Kg Spring twist compensation for vehicle door closer
CN201021704Y (en) * 2004-09-17 2008-02-13 尤利乌斯·布卢姆有限公司 Flow damper
DE102012212684B3 (en) * 2012-07-19 2013-11-28 Zf Friedrichshafen Ag Vibration damper, has auxiliary piston and main piston fitted with damping valves, where damping force generated by auxiliary piston through its entire stroke is always greater than damping force of main piston at same stroke speed
CN106523574B (en) * 2016-10-13 2018-04-13 湖南大学 A kind of multi-state damping adaptive hydro-pneumatic spring and its control method
US10612617B2 (en) * 2018-01-02 2020-04-07 Goodrich Corporation Shock strut percolation
CN111288109B (en) * 2020-03-25 2021-11-09 东风小康汽车有限公司重庆分公司 Damping piston assembly

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2224306A (en) * 1939-11-02 1940-12-10 Cleveland Pneumatic Tool Co Shock absorbing device
DE869717C (en) * 1951-02-08 1953-03-05 Hemscheidt Maschf Hermann Connection between piston body and piston skirt, especially for hydraulic telescopic vibration dampers
NL96246C (en) * 1954-04-16

Also Published As

Publication number Publication date
DE1269841B (en) 1968-06-06
FR1466595A (en) 1967-01-20
AT266644B (en) 1968-11-25
GB1124357A (en) 1968-08-21
BE673859A (en) 1966-06-16

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