GB1404488A - Electric switching device for use under water - Google Patents

Electric switching device for use under water

Info

Publication number
GB1404488A
GB1404488A GB5573372A GB5573372A GB1404488A GB 1404488 A GB1404488 A GB 1404488A GB 5573372 A GB5573372 A GB 5573372A GB 5573372 A GB5573372 A GB 5573372A GB 1404488 A GB1404488 A GB 1404488A
Authority
GB
United Kingdom
Prior art keywords
water
switch
diaphragm
cell
circuit
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
GB5573372A
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.)
Dynamit Nobel AG
Original Assignee
Dynamit Nobel AG
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 Dynamit Nobel AG filed Critical Dynamit Nobel AG
Publication of GB1404488A publication Critical patent/GB1404488A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/30—Deferred-action cells
    • H01M6/32—Deferred-action cells activated through external addition of electrolyte or of electrolyte components
    • H01M6/34—Immersion cells, e.g. sea-water cells
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C9/00—Life-saving in water
    • B63C9/21—Boats, rafts, buoys or the like, characterised by signalling means, e.g. lights, reflectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C15/00—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges
    • F42C15/32—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges operated by change of fluid pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C3/00—Fuzes actuated by exposure to a liquid, e.g. seawater
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B2209/00—Energy supply or activating means
    • B63B2209/02—Energy supply or activating means water activated switches

Abstract

1404488 Conducting liquid switches; cell with circuit completed by water DYNAMIT NOBEL AG 1 Dec 1972 [2 Dec 1971] 55733/72 Headings H1B and H1N In an electric switch in which water, such as sea-water, acts as the conductor, a rupturable diaphragm 14, Fig. 2, normally prevents ingress of water to engage a contact 6 in a chamber 16 to complete a circuit. The switch is used in conjunction with a voltaic cell 17 mounted in an insulating housing 5. One end of the cell 17 is permanently in engagement with a spring loaded terminal end 9 and the other with the fixed contact 6. The diaphragm 14 is pierced by a spring loaded pin 4 when released by manually withdrawing a locking pin 13. A conductive cap 1 forms the other terminal contact of the switch, and has passages 15, through which the water flows to the diaphragm 14. The switch is used in conjunction with an eletronic time delay circuit, Fig. 3 (not shown), for sequentially operating marine distress signals (26, 27) which may have pyrotechnic charges.
GB5573372A 1971-12-02 1972-12-01 Electric switching device for use under water Expired GB1404488A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2159727A DE2159727A1 (en) 1971-12-02 1971-12-02 SWITCHING ELEMENT WITH ONE BATTERY

Publications (1)

Publication Number Publication Date
GB1404488A true GB1404488A (en) 1975-08-28

Family

ID=5826768

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5573372A Expired GB1404488A (en) 1971-12-02 1972-12-01 Electric switching device for use under water

Country Status (5)

Country Link
DE (1) DE2159727A1 (en)
FR (1) FR2162075B1 (en)
GB (1) GB1404488A (en)
IT (1) IT973540B (en)
NL (1) NL7216338A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2085587B (en) * 1980-10-13 1985-03-27 Landstrom Sven A device for locating a submerged submarine
FR2584809B1 (en) * 1985-07-12 1987-11-13 France Etat Armement HYDROSTATIC SAFETY CONTROL DEVICE

Also Published As

Publication number Publication date
DE2159727A1 (en) 1973-06-07
FR2162075A1 (en) 1973-07-13
IT973540B (en) 1974-06-10
NL7216338A (en) 1973-06-05
FR2162075B1 (en) 1977-12-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees