GB737644A - Improvements in or relating to hydraulic buffers - Google Patents

Improvements in or relating to hydraulic buffers

Info

Publication number
GB737644A
GB737644A GB31819/53A GB3181953A GB737644A GB 737644 A GB737644 A GB 737644A GB 31819/53 A GB31819/53 A GB 31819/53A GB 3181953 A GB3181953 A GB 3181953A GB 737644 A GB737644 A GB 737644A
Authority
GB
United Kingdom
Prior art keywords
piston
ribs
cross
cylinder
piston rod
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
GB31819/53A
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.)
CARL OLOF AKE FORTHMEIJER
Original Assignee
CARL OLOF AKE FORTHMEIJER
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 CARL OLOF AKE FORTHMEIJER filed Critical CARL OLOF AKE FORTHMEIJER
Publication of GB737644A publication Critical patent/GB737644A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K7/00—Railway stops fixed to permanent way; Track brakes or retarding apparatus fixed to permanent way; Sand tracks or the like
    • B61K7/16—Positive railway stops
    • B61K7/18—Buffer stops
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

737,644. Dashpots. FORTHMEIJER, C. O. A. Nov. 17, 1953 [April 11, 1953], No. 31819/53. Class 108 (3). In a hydraulic buffer in which the piston 3 has axial grooves which engage inwardly directed projections 9 on the cylinder wall 2, the cross-sectional area of the projections increasing towards the end of the cylinder remote from the piston rod 4, the surface of each projection, facing the cylinder axis, is curved along a line with continuously decreasing radius. A space 12 contains compressed air, inflated at 13. The cross-section of the ribs 9 may vary according to a parabolic law. The dashpot is applied to buffer a travelling crane. In operation, on compression, liquid is metered between the ribs 9 and their respective associated grooves in the piston. The return of the plunger is effected by the differential pressure acting on opposed faces of the piston and piston rod. This action may be implemented by a spring.
GB31819/53A 1953-04-11 1953-11-17 Improvements in or relating to hydraulic buffers Expired GB737644A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE737644X 1953-04-11

Publications (1)

Publication Number Publication Date
GB737644A true GB737644A (en) 1955-09-28

Family

ID=20319748

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31819/53A Expired GB737644A (en) 1953-04-11 1953-11-17 Improvements in or relating to hydraulic buffers

Country Status (1)

Country Link
GB (1) GB737644A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112224235A (en) * 2020-09-23 2021-01-15 南京钢铁股份有限公司 Driving backstop device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112224235A (en) * 2020-09-23 2021-01-15 南京钢铁股份有限公司 Driving backstop device

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