[go: up one dir, main page]

FR651680A - Improvements in devices used to detect whether a body is moving or stationary, such as a pneumatic stop alarm - Google Patents

Improvements in devices used to detect whether a body is moving or stationary, such as a pneumatic stop alarm

Info

Publication number
FR651680A
FR651680A FR651680DA FR651680A FR 651680 A FR651680 A FR 651680A FR 651680D A FR651680D A FR 651680DA FR 651680 A FR651680 A FR 651680A
Authority
FR
France
Prior art keywords
stationary
moving
detect whether
devices used
stop alarm
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
Other languages
French (fr)
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.)
Asociated Telephone & Telegrap
Original Assignee
Asociated Telephone & Telegrap
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 Asociated Telephone & Telegrap filed Critical Asociated Telephone & Telegrap
Application granted granted Critical
Publication of FR651680A publication Critical patent/FR651680A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L3/00Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
    • B61L3/02Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
    • B61L3/04Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling mechanically
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T13/00Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/66Electrical control in fluid-pressure brake systems
    • B60T13/665Electrical control in fluid-pressure brake systems the systems being specially adapted for transferring two or more command signals, e.g. railway systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Braking Systems And Boosters (AREA)
  • Actuator (AREA)
FR651680D 1927-02-21 1927-12-30 Improvements in devices used to detect whether a body is moving or stationary, such as a pneumatic stop alarm Expired FR651680A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US285804XA 1927-02-21 1927-02-21

Publications (1)

Publication Number Publication Date
FR651680A true FR651680A (en) 1929-02-21

Family

ID=21844232

Family Applications (1)

Application Number Title Priority Date Filing Date
FR651680D Expired FR651680A (en) 1927-02-21 1927-12-30 Improvements in devices used to detect whether a body is moving or stationary, such as a pneumatic stop alarm

Country Status (3)

Country Link
DE (1) DE543902C (en)
FR (1) FR651680A (en)
GB (1) GB285804A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3713080A (en) * 1971-09-20 1973-01-23 Ford Motor Co Electrical terminal

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1075656B (en) * 1960-02-18 Schaltbau GmbH München Control device for the reversing gear of rail locomotives
DE1095869B (en) * 1954-10-07 1960-12-29 Krauss Maffei Ag Locking device for the switching element of form-fitting clutches in changeover gears, in particular reversing gears of rail locomotives

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3713080A (en) * 1971-09-20 1973-01-23 Ford Motor Co Electrical terminal

Also Published As

Publication number Publication date
DE543902C (en) 1932-02-11
GB285804A (en) 1929-04-02

Similar Documents

Publication Publication Date Title
CH290345A (en) Apparatus intended to measure the magnetic susceptibility of a gaseous fluid.
FR651680A (en) Improvements in devices used to detect whether a body is moving or stationary, such as a pneumatic stop alarm
FR997633A (en) Rail curvature measuring device
FR1059010A (en) Fluid filters
FR1007775A (en) Articulating boom lifting device
FR973019A (en) Instrument used to perform perspective drawings
FR653734A (en) Improvements to instruments used to measure acceleration
FR1071044A (en) Improvements in the manufacture of hydrocarbon oils
FR996413A (en) Platform lift and articulated system
FR719713A (en) Devices used in the construction of scaffolding
FR1035584A (en) Improvements relating to a system used to indicate the magnitude of a variable
FR887317A (en) Device used to form the sum or the difference of two measured quantities
FR677785A (en) Improvements to friction, ball or roller coupling or engagement devices
FR870907A (en) Measuring or indicating device
ES183845A3 (en) A APPARATUS FOR MEASURING THE PRESSURE OF CEPHALORAQUIDAL FLUID
FR1029748A (en) Improvements to rocking devices, such as rocking horses or other subjects
FR650958A (en) Improvements to dividing and time indicating devices
FR640931A (en) Improvements to friction brakes or similar devices
FR689961A (en) Improvements to display devices or indicators
FR951177A (en) Improvements made to alarm devices as well as to all relay devices
FR624276A (en) Double cuff or cuff
FR1005858A (en) Improvements to means for indirect reading of indicating devices, in particular for remote reading of boiler levels
FR832561A (en) Improvements to devices intended to detect objects of a reflective or absorbent nature
FR584641A (en) Improvements to devices used to grind and (or) smooth glass
FR615250A (en) Improvements to devices used to center shafts and other similar objects