GB1336979A - Fluid operable actuator - Google Patents

Fluid operable actuator

Info

Publication number
GB1336979A
GB1336979A GB1243672A GB1243672A GB1336979A GB 1336979 A GB1336979 A GB 1336979A GB 1243672 A GB1243672 A GB 1243672A GB 1243672 A GB1243672 A GB 1243672A GB 1336979 A GB1336979 A GB 1336979A
Authority
GB
United Kingdom
Prior art keywords
levers
piston
pivoted
lever
march
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
GB1243672A
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.)
KNORR BREMSE GmbH
Original Assignee
KNORR BREMSE 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
Priority claimed from DE19712112592 external-priority patent/DE2112592C3/en
Priority claimed from DE19712116325 external-priority patent/DE2116325C3/en
Priority claimed from DE19712160451 external-priority patent/DE2160451C3/en
Application filed by KNORR BREMSE GmbH filed Critical KNORR BREMSE GmbH
Publication of GB1336979A publication Critical patent/GB1336979A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
    • B61H1/00—Applications or arrangements of brakes with a braking member or members co-operating with the periphery of the wheel rim, a drum, or the like
    • B61H1/003—Applications or arrangements of brakes with a braking member or members co-operating with the periphery of the wheel rim, a drum, or the like with an actuator directly acting on a brake head
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/08—Brake cylinders other than ultimate actuators
    • B60T17/081—Single service brake actuators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
    • B61H15/00—Wear-compensating mechanisms, e.g. slack adjusters
    • B61H15/0007—Wear-compensating mechanisms, e.g. slack adjusters mechanical and self-acting in one direction
    • B61H15/0014—Wear-compensating mechanisms, e.g. slack adjusters mechanical and self-acting in one direction by means of linear adjustment
    • B61H15/0028—Wear-compensating mechanisms, e.g. slack adjusters mechanical and self-acting in one direction by means of linear adjustment with screw-thread and nut

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Braking Arrangements (AREA)

Abstract

1336979 Brakes KNORR-BREMSE GmbH 16 March 1972 [16 March 1971 3 April 1971 6 Dec 1971] 12436/72 Headings F2E and F2F The mechanical effort of a fluid-pressure actuator is transmitted through levers which provides a mechanical advantage which may be altered by using different levers for different applications. The brake cylinder shown in Figs. 2 and 3 has a piston 17 acting on three levers 18, 19, 20 when pressure is fed in at duct 16. The levers are journalled on pivots 26, 27, 28 on the thrust rod and carry rollers at their ends which engage the piston and abutments 34 respectively. In a modification (Fig. 4, not shown) the outer roller of each lever is radially adjustable by means of longitudinal slots in the levers and the other end roller has a selection of holes to choose from. In Fig. 6, a railway brake actuator includes two levers 71 arranged reversely on ears 75 on the piston 80 loaded by spring 69 to operate a load-link 65. A single lever, pivoted on the casing (Figs. 7 and 8, not shown). It is described how the levers may be applied to arrangements involving two pistons 62, 92 acting in tandem, Fig. 10, in which the cylinders also slide telescopically and act on load 65 via lever 71 pivoted on the casing, and one or more such levers may be employed, they may give increased motion, (Figs. 13-14, not shown) and the leverage may be altered by rotating the piston 180 degrees and using appropriate levers. These are pivoted in these Figures. The use of a pair of nested, self-aligning levers is shown in Figs. 15 and 16, not shown.
GB1243672A 1971-03-16 1972-03-16 Fluid operable actuator Expired GB1336979A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19712112592 DE2112592C3 (en) 1971-03-16 1971-03-16 Brake cylinders for rail vehicles
DE19712116325 DE2116325C3 (en) 1971-04-03 1971-04-03 Brake cylinders, in particular for vehicles
DE19712160451 DE2160451C3 (en) 1971-12-06 Brake cylinders, in particular for vehicles

Publications (1)

Publication Number Publication Date
GB1336979A true GB1336979A (en) 1973-11-14

Family

ID=27183274

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1243672A Expired GB1336979A (en) 1971-03-16 1972-03-16 Fluid operable actuator

Country Status (8)

Country Link
CH (1) CH549732A (en)
DD (1) DD98869A5 (en)
ES (1) ES400840A1 (en)
FR (1) FR2130263B1 (en)
GB (1) GB1336979A (en)
HU (1) HU172036B (en)
IT (1) IT952216B (en)
SE (1) SE391568B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4458789A (en) * 1981-03-14 1984-07-10 Dunlop Limited Brake assembly for a multi-disc brake including a force multiplying device
US10927902B2 (en) 2016-05-04 2021-02-23 Kongsberg Automotive As Pneumatic clutch actuator

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1320109A (en) * 1972-05-06 1973-06-13 Bromsregulator Svenska Ab Vehicle braking arrangements operable by hand or by fluid pressure
DE2659768C3 (en) * 1976-12-31 1979-05-10 Knorr-Bremse Gmbh, 8000 Muenchen Accessory device for friction brakes, in particular for rail vehicles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4458789A (en) * 1981-03-14 1984-07-10 Dunlop Limited Brake assembly for a multi-disc brake including a force multiplying device
US10927902B2 (en) 2016-05-04 2021-02-23 Kongsberg Automotive As Pneumatic clutch actuator

Also Published As

Publication number Publication date
DD98869A5 (en) 1973-07-12
SE391568B (en) 1977-02-21
FR2130263B1 (en) 1977-12-23
HU172036B (en) 1978-05-28
CH549732A (en) 1974-05-31
ES400840A1 (en) 1975-09-01
FR2130263A1 (en) 1972-11-03
IT952216B (en) 1973-07-20

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee