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AU484584B2 - Improvements in and relating to electrical warning devices - Google Patents
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AU484584B2 - Improvements in and relating to electrical warning devices - Google Patents

Improvements in and relating to electrical warning devices

Info

Publication number
AU484584B2
AU484584B2 AU70015/74A AU7001574A AU484584B2 AU 484584 B2 AU484584 B2 AU 484584B2 AU 70015/74 A AU70015/74 A AU 70015/74A AU 7001574 A AU7001574 A AU 7001574A AU 484584 B2 AU484584 B2 AU 484584B2
Authority
AU
Australia
Prior art keywords
relating
warning devices
electrical warning
electrical
devices
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
AU70015/74A
Other versions
AU7001574A (en
Inventor
John Varney Peter
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.)
Automotive Products PLC
Original Assignee
Automotive Products PLC
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 Automotive Products PLC filed Critical Automotive Products PLC
Priority to AU70015/74A priority Critical patent/AU484584B2/en
Application granted granted Critical
Publication of AU7001574A publication Critical patent/AU7001574A/en
Publication of AU484584B2 publication Critical patent/AU484584B2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/24—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
    • G01F23/246—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid thermal devices
    • G01F23/247—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid thermal devices for discrete levels

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
AU70015/74A 1974-06-12 1974-06-12 Improvements in and relating to electrical warning devices Expired AU484584B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU70015/74A AU484584B2 (en) 1974-06-12 1974-06-12 Improvements in and relating to electrical warning devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU70015/74A AU484584B2 (en) 1974-06-12 1974-06-12 Improvements in and relating to electrical warning devices

Publications (2)

Publication Number Publication Date
AU7001574A AU7001574A (en) 1975-12-18
AU484584B2 true AU484584B2 (en) 1975-12-18

Family

ID=3753377

Family Applications (1)

Application Number Title Priority Date Filing Date
AU70015/74A Expired AU484584B2 (en) 1974-06-12 1974-06-12 Improvements in and relating to electrical warning devices

Country Status (1)

Country Link
AU (1) AU484584B2 (en)

Also Published As

Publication number Publication date
AU7001574A (en) 1975-12-18

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