GB195954A - Improvements in apparatus for the measurement of speed or frequency of oscillations of moving parts - Google Patents

Improvements in apparatus for the measurement of speed or frequency of oscillations of moving parts

Info

Publication number
GB195954A
GB195954A GB8240/23A GB824023A GB195954A GB 195954 A GB195954 A GB 195954A GB 8240/23 A GB8240/23 A GB 8240/23A GB 824023 A GB824023 A GB 824023A GB 195954 A GB195954 A GB 195954A
Authority
GB
United Kingdom
Prior art keywords
arm
pin
hook
spring
wheel
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
GB8240/23A
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
Publication of GB195954A publication Critical patent/GB195954A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/02Devices characterised by the use of mechanical means
    • G01P3/12Devices characterised by the use of mechanical means by making use of a system excited by impact
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/02Devices characterised by the use of mechanical means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission Devices (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

195,954. Seguin, A. April 8, 1922, [Convention date]. Impulse and momentum speed indicators; speed-indicator transmission mechanism. - The oscillations imparted to an arm 4, Figs. 1 and 2, by the member whose speed is to be measured are compared with those of another arm 5 moved in one direction by the arm 4 and in the opposite direction by a pin d' on a balance-wheel d oscillated by a spiral spring s. The arm 5 is freely mounted on the hub of the balance-wheel d, and the arm 4 carries a pivoted hook 11 held in the operative and inoperative positions by a spring 14 engaging on either side of a tail-piece 15. The indicating-hand e carries an extension 8<1> provided with a pin 8 adapted to be engaged by the hook 11 or by the striker arm 5, and is held stationary between such engagements by means of a friction washer r, Fig. 2. When the arm 4 moves counter-clockwise, Fig. 1, the hook 11 engages the pin 8 and moves the hand e, until a pin 13 on the hook rides up a slope 1 on the arm 5 to cause the hook to be released. The arm 5 is now moved by the arm 4 and engages the pin d<1> on the balance-wheel to wind up the spring s, until the arm 5 meets a stop such as a pin 17. The balance-wheel is free to continue its movement until damped by its spring, and the arm 4 moves in the opposite direction without engaging the pin 8. At the end of the clockwise movement of the arm 4 the pin 13 rides on an inclined surface of the pin 17 to restore the hook 11 to its operative position ready to re-engage the pin 8. The meeting-point of the striker arm 5 in its clockwise movement and of the arm 4 in its counter-clockwise movement thus determines the position of the indicating hand. In a modification, Fig. 3, the arm 5 is latched by a spring hook 26 while the arm 4 is moving clockwise, and is released by the engagement of a projection 28 on the arm 4 with a cam 28<1> on the spring hook. The arm 4 may be attached to a wheel 10, Fig. 2, loosely mounted on a stud 2 and engaging a rack on a piston 45 reciprocated in a cylinder 6 under pneumatic impulses transmitted from the member whose speed is to be measured. The balancewheel and striker arm may be mounted in the manner described in Specification 184,289 instead of as shown in Fig. 2. In a further modification, shown in Figs. 4 and 6, the striker arm 5 and the index arm 8 may be engaged by a hook member 11 carried directly on a reciprocating piston 54. The hook is brought to the operative position by engagement with a stop 34 and to the inoperative position by engagement with the striker, as described above. The Specification as open to inspection under Sect. 91 (3) (a) comprises also the following subject-matter :- Speed-indicator transmission-mechanism.-The pneumatic impulses may be transmitted to a bellows 55, Fig. 5 (Cancelled), connected through a toothed sector to the wheel 10. The bellows may be fitted with a valve 24 opened and closed by stops 21, 22 and with a spring 5<1>. Or a reciprocating piston with a valved cap opened and closed by stops may be employed for receiving the impulses. The impulses may be created by a piston pump reciprocated in one direction by a cam and in the other by a spring. This subject-matter does not appear in the Specification as accepted.
GB8240/23A 1922-04-08 1923-03-22 Improvements in apparatus for the measurement of speed or frequency of oscillations of moving parts Expired GB195954A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR549918T 1922-04-08

Publications (1)

Publication Number Publication Date
GB195954A true GB195954A (en) 1924-06-23

Family

ID=8935827

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8240/23A Expired GB195954A (en) 1922-04-08 1923-03-22 Improvements in apparatus for the measurement of speed or frequency of oscillations of moving parts

Country Status (3)

Country Link
DE (1) DE399081C (en)
FR (1) FR549918A (en)
GB (1) GB195954A (en)

Also Published As

Publication number Publication date
FR549918A (en) 1923-02-22
DE399081C (en) 1924-07-16

Similar Documents

Publication Publication Date Title
GB195954A (en) Improvements in apparatus for the measurement of speed or frequency of oscillations of moving parts
US1992134A (en) Apparatus fob recording vibrations
GB704485A (en) Improvements in and relating to a time-piece
US1691081A (en) Alarm of variable intensity
US3069910A (en) Bourdon tube pressure gauge
US1883557A (en) Tire tester
US2279861A (en) Fluid pressure instrument
US1511583A (en) Apparatus for the measurement of frequency
ES468016A1 (en) Shock absorbing device for use in dial measuring instruments
GB205832A (en) Improvements in or relating to speedometers
US1491322A (en) Speed indicator
US1533674A (en) Speedometer
GB610585A (en) Improvements in or relating to linear-dimension gauges
GB100542A (en) Improvements in Speed Indicating Apparatus.
SU31691A1 (en) The device for registration of the tractor
GB191305874A (en) Improvements in and connected with Actuating Mechanism for the Index Hands of Measuring Instruments.
GB687981A (en) Improvements in or relating to the automatic winding devices for wrist watches
GB634348A (en) Octave valve control mechanism for saxophones
GB166086A (en) Improvements in mechanism for operating oscillatory valves
US796540A (en) Echo-distance meter.
GB163692A (en) Improvements in thickness measurers, especially intended for leather measuring machines
GB753118A (en) Instrument for checking the rate of time-piece movements
US916512A (en) Self-timing speed-indicator.
GB159214A (en) Means for indicating unauthorised use of automobiles and other vehicles
GB198086A (en) Improvements in and connected with speed indicating mechanism or speedometers