GB582246A - Improved artificial horizon or level indicator or the like - Google Patents

Improved artificial horizon or level indicator or the like

Info

Publication number
GB582246A
GB582246A GB115444A GB115444A GB582246A GB 582246 A GB582246 A GB 582246A GB 115444 A GB115444 A GB 115444A GB 115444 A GB115444 A GB 115444A GB 582246 A GB582246 A GB 582246A
Authority
GB
United Kingdom
Prior art keywords
chimney
instrument
casing
grid
wire
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
GB115444A
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.)
DAVID RALPH PRICE
Metropolitan Vickers Electrical Co Ltd
Original Assignee
DAVID RALPH PRICE
Metropolitan Vickers Electrical Co Ltd
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 DAVID RALPH PRICE, Metropolitan Vickers Electrical Co Ltd filed Critical DAVID RALPH PRICE
Priority to GB115444A priority Critical patent/GB582246A/en
Publication of GB582246A publication Critical patent/GB582246A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/006—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of fluid seismic masses
    • G01P15/008—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of fluid seismic masses by using thermal pick-up
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/02—Rotary gyroscopes
    • G01C19/44—Rotary gyroscopes for indicating the vertical
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00—Measuring inclination, e.g. by clinometers, by levels
    • G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Details Of Measuring And Other Instruments (AREA)

Abstract

582,246. Inclinometers. PRICE, D. R., and METROPOLITAN - VICKERS ELECTRICAL CO., Ltd. Jan. 20,1944, Nos. 1164/44 and 4202/45. [Class 97 (ii)] [Also in Groups XXXVIII and XXXIX] A thermo-electric instrument (see Group XXXVIII) for use on ships, military tanks, aircraft, &c., utilizes the change of electric resistance produced in a wire by the variable cooling effects of air convection currents as the inclination of the wire is changed. As shown in Fig. 1, a nickel wire grid 4 heated through leads 5 is located in a mica chimney 3 supported within a metal casing 1 by means of wires 2. The air convection -currents set up vary in intensity as the inclination of the chimney varies and, by their cooling effect on the grid 4, vary its resistance and the current passing therethrough, the greatest rate of change occurring when the chimney is at about 30 degrees to the horizontal. In a modified arrangement the grids of two inclined chimneys are externally connected in push-pull circuit to give an enhanced response to tilting. In a further modification, Fig. 4, inclined grids in the form of helices 4a are arranged in closed tubes 9 within a casing 1c and are connected to a thermionic amplifier 11 and across a balancing resistance 10 fed with alternating or direct current. To give greater sensitivity to the instrument, the casing may be lined with copper thermally connected to an external heat radiator. False response of the instrument due to spinning may be minimised by locating the heated grid near the top of its enclosure. The device may be used for electric amplification (see Group XXXIX).
GB115444A 1944-01-20 1944-01-20 Improved artificial horizon or level indicator or the like Expired GB582246A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB115444A GB582246A (en) 1944-01-20 1944-01-20 Improved artificial horizon or level indicator or the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB115444A GB582246A (en) 1944-01-20 1944-01-20 Improved artificial horizon or level indicator or the like

Publications (1)

Publication Number Publication Date
GB582246A true GB582246A (en) 1946-11-11

Family

ID=9717118

Family Applications (1)

Application Number Title Priority Date Filing Date
GB115444A Expired GB582246A (en) 1944-01-20 1944-01-20 Improved artificial horizon or level indicator or the like

Country Status (1)

Country Link
GB (1) GB582246A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3241374A (en) * 1962-07-13 1966-03-22 G V Controls Inc Sensing of acceleration
US3247723A (en) * 1964-07-20 1966-04-26 Raphael O Yavne Accelerometer, gravity meter and gas flow responsive instrument

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3241374A (en) * 1962-07-13 1966-03-22 G V Controls Inc Sensing of acceleration
US3247723A (en) * 1964-07-20 1966-04-26 Raphael O Yavne Accelerometer, gravity meter and gas flow responsive instrument

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