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GB2136873A - Car exhaust gas operated alarm - Google Patents

Car exhaust gas operated alarm Download PDF

Info

Publication number
GB2136873A
GB2136873A GB8303879A GB8303879A GB2136873A GB 2136873 A GB2136873 A GB 2136873A GB 8303879 A GB8303879 A GB 8303879A GB 8303879 A GB8303879 A GB 8303879A GB 2136873 A GB2136873 A GB 2136873A
Authority
GB
United Kingdom
Prior art keywords
vehicle
exhaust
tailpipe
attached
sound
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.)
Granted
Application number
GB8303879A
Other versions
GB8303879D0 (en
GB2136873B (en
Inventor
Ronald George Connor
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB8303879A priority Critical patent/GB2136873B/en
Publication of GB8303879D0 publication Critical patent/GB8303879D0/en
Publication of GB2136873A publication Critical patent/GB2136873A/en
Application granted granted Critical
Publication of GB2136873B publication Critical patent/GB2136873B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/10—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
    • B60R25/104—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device characterised by the type of theft warning signal, e.g. visual or audible signals with special characteristics
    • B60R25/1045—Signal comming from the exhaust

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Exhaust Silencers (AREA)

Abstract

A car burglar alarm comprises a first part 20 secured to the end of an exhaust tail pipe 10, and a second part 30 which contains a sound-emitting device 40 actuated by the flow of exhaust gas and which is readily removably connected to the first part. <IMAGE>

Description

SPECIFICATION Car exhaust alarm The object of the device is to prevent or to deter vehicle theft. To this purpose the device is attached to the tailpipe of the exhaust system and when the engine is started the exhaust gases pass through the device and activate a sound emitting device this may be a siren, horn, whistle, hooter, or other gas activated sound emitting device.
The device is of tubular construction and consists of two main parts, these being the attached part which is semi permanently fixed to the tailpipe by means of eqi-spaced Allen screws. These may be of different sizes to prevent easy removal. Alternative method of attachment may be a series of equi-spaced forks eminating from the inside bore of this fixed part, and clamped to the tailpipe by Jubilee clip. the object of this semi permanent part is to provide a fixture to which the removable part may be locked.
This removable part of the device houses the sound emitting device and is locked onto the attached part and thus covers the exhaust bore. The exhaust gases are induced through the internal sound device by means of a conical tube which locates onto the exhaust bore. The method of locking may be of the conventional type lock locating on the shamfered rim and peripheral slot of the fixed part using a conventional type key to lift the sprung tongue from the peripheral slot and thus allowing removal. Alternative method of locking may be of combination type lock. The end of the detachable part is blocked and the sound is emitted through slots in the sides of the tube, this prevents pre-theft tampering of the internals and also prevents water from collecting The fixed part then, remains on the tailpipe whilst the removable part may be kept in the vehicle and attached when the vehicle is unattended.
Construction would be of suitable materials: strong and corrosion resistant.
Detachable part may be brightly painted to provide better visible deterent.
No electrical connections.
Transferable from vehicle to vehicle.
Easily fitted Externally visible deterent No false activation by wind etc.
Inexpensive Utilises exhaust gases to warn of vehicle starting.
**WARNING** end of DESC field may overlap start of CLMS **.

Claims (1)

  1. **WARNING** start of CLMS field may overlap end of DESC **.
    SPECIFICATION Car exhaust alarm The object of the device is to prevent or to deter vehicle theft. To this purpose the device is attached to the tailpipe of the exhaust system and when the engine is started the exhaust gases pass through the device and activate a sound emitting device this may be a siren, horn, whistle, hooter, or other gas activated sound emitting device.
    The device is of tubular construction and consists of two main parts, these being the attached part which is semi permanently fixed to the tailpipe by means of eqi-spaced Allen screws. These may be of different sizes to prevent easy removal. Alternative method of attachment may be a series of equi-spaced forks eminating from the inside bore of this fixed part, and clamped to the tailpipe by Jubilee clip. the object of this semi permanent part is to provide a fixture to which the removable part may be locked.
    This removable part of the device houses the sound emitting device and is locked onto the attached part and thus covers the exhaust bore. The exhaust gases are induced through the internal sound device by means of a conical tube which locates onto the exhaust bore. The method of locking may be of the conventional type lock locating on the shamfered rim and peripheral slot of the fixed part using a conventional type key to lift the sprung tongue from the peripheral slot and thus allowing removal. Alternative method of locking may be of combination type lock. The end of the detachable part is blocked and the sound is emitted through slots in the sides of the tube, this prevents pre-theft tampering of the internals and also prevents water from collecting The fixed part then, remains on the tailpipe whilst the removable part may be kept in the vehicle and attached when the vehicle is unattended.
    Construction would be of suitable materials: strong and corrosion resistant.
    Detachable part may be brightly painted to provide better visible deterent.
    No electrical connections.
    Transferable from vehicle to vehicle.
    Easily fitted Externally visible deterent No false activation by wind etc.
    Inexpensive Utilises exhaust gases to warn of vehicle starting.
GB8303879A 1983-02-11 1983-02-11 Car exhaust gas operated alarm Expired GB2136873B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8303879A GB2136873B (en) 1983-02-11 1983-02-11 Car exhaust gas operated alarm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8303879A GB2136873B (en) 1983-02-11 1983-02-11 Car exhaust gas operated alarm

Publications (3)

Publication Number Publication Date
GB8303879D0 GB8303879D0 (en) 1983-03-16
GB2136873A true GB2136873A (en) 1984-09-26
GB2136873B GB2136873B (en) 1986-10-22

Family

ID=10537863

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8303879A Expired GB2136873B (en) 1983-02-11 1983-02-11 Car exhaust gas operated alarm

Country Status (1)

Country Link
GB (1) GB2136873B (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2186911A (en) * 1985-04-02 1987-08-26 Baffler Sa I.c. engine exhaust pipe lockable end cap
GB2263731A (en) * 1992-01-27 1993-08-04 Richard Fisher Lockable i.c.engine exhaust pipe closure.
WO1993015936A1 (en) * 1992-02-13 1993-08-19 John Timothy Girvin Vehicle immobilisation device
GB2266925A (en) * 1992-05-16 1993-11-17 Michael Griffiths Lockable exhaust pipe closure.
WO1995029074A3 (en) * 1994-04-15 1996-01-11 John Double Makavilitogia An engine emission restrictor
GB2305967A (en) * 1995-05-16 1997-04-23 Hubert Joseph Flynn Lockable vehicle exhaust pipe closure
WO1997046429A1 (en) * 1996-06-05 1997-12-11 Arzamasov Evgenii Vladimirovic Anti-theft method for vehicles and device for realising the same
GB2327799A (en) * 1997-07-25 1999-02-03 Anthony John Stapleton Automotive exhaust alarm
RU2477234C1 (en) * 2012-02-14 2013-03-10 Николай Петрович Дядченко Automotive antitheft device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB259019A (en) * 1925-09-24 1926-10-07 Gilbert Carling Improvements in or relating to means for operating the whistles or other alarm apparatus for use on motor cycles and motor vehicles
GB400266A (en) * 1932-04-22 1933-10-23 William Alexander Willock Improvements in or relating to means for preventing the theft of motor road vehicles
GB406196A (en) * 1933-07-19 1934-02-22 Eugene Auquier Audible warning operated by exhaust gases of an internal combustion engine
GB432730A (en) * 1933-02-03 1935-08-01 Joseph Hindermayr Improvements in automobile horns
US3667260A (en) * 1971-01-25 1972-06-06 Master Lock Co Exhaust pipe protector lock

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB259019A (en) * 1925-09-24 1926-10-07 Gilbert Carling Improvements in or relating to means for operating the whistles or other alarm apparatus for use on motor cycles and motor vehicles
GB400266A (en) * 1932-04-22 1933-10-23 William Alexander Willock Improvements in or relating to means for preventing the theft of motor road vehicles
GB432730A (en) * 1933-02-03 1935-08-01 Joseph Hindermayr Improvements in automobile horns
GB406196A (en) * 1933-07-19 1934-02-22 Eugene Auquier Audible warning operated by exhaust gases of an internal combustion engine
US3667260A (en) * 1971-01-25 1972-06-06 Master Lock Co Exhaust pipe protector lock

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2186911A (en) * 1985-04-02 1987-08-26 Baffler Sa I.c. engine exhaust pipe lockable end cap
GB2186911B (en) * 1985-04-02 1990-01-10 Johan Carel Genis I.c.engine exhaust pipe closure device
GB2263731A (en) * 1992-01-27 1993-08-04 Richard Fisher Lockable i.c.engine exhaust pipe closure.
WO1993015936A1 (en) * 1992-02-13 1993-08-19 John Timothy Girvin Vehicle immobilisation device
GB2278641A (en) * 1992-02-13 1994-12-07 John Timothy Girvin Vehicle immobilisation device
GB2266925A (en) * 1992-05-16 1993-11-17 Michael Griffiths Lockable exhaust pipe closure.
WO1995029074A3 (en) * 1994-04-15 1996-01-11 John Double Makavilitogia An engine emission restrictor
GB2305967A (en) * 1995-05-16 1997-04-23 Hubert Joseph Flynn Lockable vehicle exhaust pipe closure
WO1997046429A1 (en) * 1996-06-05 1997-12-11 Arzamasov Evgenii Vladimirovic Anti-theft method for vehicles and device for realising the same
GB2327799A (en) * 1997-07-25 1999-02-03 Anthony John Stapleton Automotive exhaust alarm
RU2477234C1 (en) * 2012-02-14 2013-03-10 Николай Петрович Дядченко Automotive antitheft device

Also Published As

Publication number Publication date
GB8303879D0 (en) 1983-03-16
GB2136873B (en) 1986-10-22

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930211