GB666169A - An electrical arrangement for the detection of deformation, suitable for use on vehicles - Google Patents

An electrical arrangement for the detection of deformation, suitable for use on vehicles

Info

Publication number
GB666169A
GB666169A GB8818/49A GB881849A GB666169A GB 666169 A GB666169 A GB 666169A GB 8818/49 A GB8818/49 A GB 8818/49A GB 881849 A GB881849 A GB 881849A GB 666169 A GB666169 A GB 666169A
Authority
GB
United Kingdom
Prior art keywords
wire
tube
insulators
deformation
operated
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
GB8818/49A
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.)
Tecalemit SA
Original Assignee
Tecalemit SA
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 Tecalemit SA filed Critical Tecalemit SA
Publication of GB666169A publication Critical patent/GB666169A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G01M5/0041—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D45/00—Aircraft indicators or protectors not otherwise provided for
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G01M5/0066—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by exciting or detecting vibration or acceleration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D45/00—Aircraft indicators or protectors not otherwise provided for
    • B64D2045/0065—Black boxes, devices automatically broadcasting distress signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

666,169. Impact-operated switches; inertia switches.. TECALEMIT SOC. ANON. March 31, 1949. [May 26, 1948; July 21, 1948] Nos. 8818/49 and 8819/49. Class 38 (v). A device for detecting deformation of a member on which it is mounted such as the surface of an aircraft, whereby fire-extinguishing apparatus is operated in the event of a crash, comprises a bare conductor wire 3" supported by spaced insulator 5 in a tubular conductor 1<SP>11</SP>. The latter is earthed and the wire 3<SP>11</SP> connected to the positive side of a battery 4 so that on contact being made between 1<SP>11</SP>, 3<SP>11</SP> due to deformation of the tube 1<SP>11</SP> a circuit is completed through the detonator 13 of the fire-extinguisher 11. To increase the sensitivity of the tube 1<SP>11</SP> the insulators 5 are spaced further apart, and where the tube is curved for securing to a correspondingly-shaped surface, the insulators are closer together, Fig. 2 (not shown). The system may include an inertia-operated device as disclosed in the French Specification 963,129, comprising a spherical metal core 7 having a number of points 10, 10<SP>1</SP> normally spaced from an earthed shell 6 by rubber elements 9. In the event of a shock in anv direction the circuit to the detonator 13 is completed through the shell 6 and core 7. Fig. 4 (not shown), illustrates an aircraft-equipped with the system. To enable contact to occur between the tube 1<SP>11</SP> and wire 3<SP>11</SP> for smaller degrees of bending of the tube, the wire 3<SP>11</SP> is weakened at selected points such that its greater length remains straight and bears tangentially against the tube when the latter deforms. This is achieved, Fig. 6, by surrounding the part of the wire 21<SP>1</SP> between the insulator 23 by a conducting tube 21. Alternatively, the wire 21<SP>1</SP> could itself be narrowed in the region of the insulators or in a section mid-way between them, Figs. 11, 12 (not shown). Other modifications, Figs. 8-10, 13-16 (not shown) consist in employing tempered steel wire, annealed at the insulators or between them, and in coiling the wire at these places.
GB8818/49A 1948-05-26 1949-03-31 An electrical arrangement for the detection of deformation, suitable for use on vehicles Expired GB666169A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR666169X 1948-05-26

Publications (1)

Publication Number Publication Date
GB666169A true GB666169A (en) 1952-02-06

Family

ID=9013724

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8818/49A Expired GB666169A (en) 1948-05-26 1949-03-31 An electrical arrangement for the detection of deformation, suitable for use on vehicles

Country Status (1)

Country Link
GB (1) GB666169A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990014862A1 (en) * 1989-06-10 1990-12-13 Richard Gerald Enston Protected fuel transmission and storage system
EP2463173A1 (en) * 2010-05-31 2012-06-13 Tangshan Railway Vehicle Co., Ltd Method for improving vehicle body fireproof performance
CN112393677A (en) * 2020-10-12 2021-02-23 浙江航鑫支吊架有限公司 Intelligent anti-seismic support and hanger system based on Internet of things
CN113525095A (en) * 2021-07-16 2021-10-22 重庆大学 Electric automobile early warning system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990014862A1 (en) * 1989-06-10 1990-12-13 Richard Gerald Enston Protected fuel transmission and storage system
EP2463173A1 (en) * 2010-05-31 2012-06-13 Tangshan Railway Vehicle Co., Ltd Method for improving vehicle body fireproof performance
EP2463173A4 (en) * 2010-05-31 2013-11-06 Tangshan Railway Vehicle Co Method for improving vehicle body fireproof performance
CN112393677A (en) * 2020-10-12 2021-02-23 浙江航鑫支吊架有限公司 Intelligent anti-seismic support and hanger system based on Internet of things
CN113525095A (en) * 2021-07-16 2021-10-22 重庆大学 Electric automobile early warning system

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