EP0752357A3 - A piston assembly for hydraulically operated piston-type retarders - Google Patents

A piston assembly for hydraulically operated piston-type retarders Download PDF

Info

Publication number
EP0752357A3
EP0752357A3 EP96304982A EP96304982A EP0752357A3 EP 0752357 A3 EP0752357 A3 EP 0752357A3 EP 96304982 A EP96304982 A EP 96304982A EP 96304982 A EP96304982 A EP 96304982A EP 0752357 A3 EP0752357 A3 EP 0752357A3
Authority
EP
European Patent Office
Prior art keywords
piston
hydraulically operated
type retarders
piston assembly
assembly
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.)
Withdrawn
Application number
EP96304982A
Other languages
German (de)
French (fr)
Other versions
EP0752357A2 (en
Inventor
Andre Jacques Van Heerden
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.)
Transnet Ltd
Original Assignee
Transnet Ltd
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 Transnet Ltd filed Critical Transnet Ltd
Publication of EP0752357A2 publication Critical patent/EP0752357A2/en
Publication of EP0752357A3 publication Critical patent/EP0752357A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61KAUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K7/00Railway stops fixed to permanent way; Track brakes or retarding apparatus fixed to permanent way; Sand tracks or the like
    • B61K7/02Track brakes or retarding apparatus
    • B61K7/025Retarders of the mushroom type
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00Braking devices, e.g. checks; Stops; Buffers
    • E05F5/06Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
    • E05F5/10Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops with piston brakes
EP96304982A 1995-07-05 1996-07-05 A piston assembly for hydraulically operated piston-type retarders Withdrawn EP0752357A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA955575 1995-07-05
ZA9505575 1995-07-05

Publications (2)

Publication Number Publication Date
EP0752357A2 EP0752357A2 (en) 1997-01-08
EP0752357A3 true EP0752357A3 (en) 1997-11-05

Family

ID=25585194

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96304982A Withdrawn EP0752357A3 (en) 1995-07-05 1996-07-05 A piston assembly for hydraulically operated piston-type retarders

Country Status (2)

Country Link
EP (1) EP0752357A3 (en)
CA (1) CA2180508A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6199671B1 (en) 1998-09-14 2001-03-13 New Joules Engineering (Sales) Proprietary) Limited Shock absorber
US7377500B2 (en) * 2003-12-26 2008-05-27 Nifco Inc. Shock absorbing device for moving body
JP4511168B2 (en) * 2003-12-26 2010-07-28 株式会社ニフコ damper
ITUD20130057A1 (en) * 2013-04-24 2014-10-25 Otlav Spa SAFETY DEVICE TO PREVENT A BRUSCO IMPACT OF A MOBILE ELEMENT AGAINST A FIXED ELEMENT

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2099544A (en) * 1981-05-20 1982-12-08 Stabilus Gmbh Fluid shock absorber valving
DE19604721A1 (en) * 1995-02-10 1996-08-14 New Joules Engineering Sales P Shock-damper for rail-track brake

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2099544A (en) * 1981-05-20 1982-12-08 Stabilus Gmbh Fluid shock absorber valving
DE19604721A1 (en) * 1995-02-10 1996-08-14 New Joules Engineering Sales P Shock-damper for rail-track brake

Also Published As

Publication number Publication date
CA2180508A1 (en) 1997-01-06
EP0752357A2 (en) 1997-01-08

Similar Documents

Publication Publication Date Title
AU6261294A (en) An operating mechanism for a hydraulic master cylinder
AU4503293A (en) A hydraulic, pneumatic or another similar cylinder
GB2282656B (en) Piston for an hydraulic operated cylinder
AU3128997A (en) Hydraulic pressure control system for a pump
AU660594B2 (en) Fluid pressure operated piston engine assembly
AU5832294A (en) Hydraulic piston machine
AU1219095A (en) Hydraulic piston engine
AU3006997A (en) Hydraulic brake booster
AU5396394A (en) Hydraulic master cylinder
AU1721197A (en) Cold-formed piston for a hydraulic brake
AU4325297A (en) A piston assembly of a hydraulic radial piston-type machine
EP0752357A3 (en) A piston assembly for hydraulically operated piston-type retarders
AU6453296A (en) Piston actuated pressure reducing valve
AU2963897A (en) Piston mechanism
AU1191295A (en) Hydraulic piston engine
AUPN687795A0 (en) Pneumatic or hydraulic cylinders
ZA965667B (en) Piston assembly for hydraulically operated piston-type retarders
AU6186796A (en) A hydraulic driving valve device
AU7786094A (en) Hydraulic control device for a double acting cylinder
AU3427795A (en) Hydraulic reciprocating mechanism
AU7089098A (en) Hydraulic system for a press
AU7289994A (en) A hydraulic valve
AU6302296A (en) Piston compressor
AU5879794A (en) Hydraulic piston machine
AU5997396A (en) Hydraulic planetary piston motor

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

17P Request for examination filed

Effective date: 19980505

17Q First examination report despatched

Effective date: 19990318

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19990929