GB782575A - A device for ascertaining the ratio in percent between the speeds of rotary members of machines - Google Patents
A device for ascertaining the ratio in percent between the speeds of rotary members of machinesInfo
- Publication number
- GB782575A GB782575A GB24982/54A GB2498254A GB782575A GB 782575 A GB782575 A GB 782575A GB 24982/54 A GB24982/54 A GB 24982/54A GB 2498254 A GB2498254 A GB 2498254A GB 782575 A GB782575 A GB 782575A
- Authority
- GB
- United Kingdom
- Prior art keywords
- counters
- switch
- rotary members
- speeds
- closed
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/56—Devices characterised by the use of electric or magnetic means for comparing two speeds
- G01P3/60—Devices characterised by the use of electric or magnetic means for comparing two speeds by measuring or comparing frequency of generated currents or voltages
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanisms For Operating Contacts (AREA)
Abstract
782,575. Counting-apparatus. LICENTIA PATENT - VERWALTUNGS - GES. Aug. 27, 1954 [Sept. 10, 1953], No. 24982/54. Class 106 (1). Two counters A21,A22, Fig. 1, can be selectively connected via a selector switch A53 to pairs of contact devices A41-A46 which are individually associated with separate rotary members. The two selected contact devices send impulses corresponding in number to the speeds of their associated rotary members, to the counters A21, A22. In the supply circuits of the counters is a normally closed switch a23 of a relay A23 and a switch A51 which is closed during operation of the counters. When the counter A21 reaches a predetermined number, say one hundred, the switch A211 is closed to energize the relay A23 which opens its switch a23 and so disconnects the supply from the counters. An indication is thereby given of the percentage ratio of the speeds of the two rotary members. Closure of a normally open switch A52 at any time results in energization of the relay A23 and consequent interruption of the counting. More than two associated counters may be provided. A lamp Z9 indicates that the main switch Z5 is closed and a lamp A9 indicates operation of the counters.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE782575X | 1953-09-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB782575A true GB782575A (en) | 1957-09-11 |
Family
ID=6694652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB24982/54A Expired GB782575A (en) | 1953-09-10 | 1954-08-27 | A device for ascertaining the ratio in percent between the speeds of rotary members of machines |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR1107342A (en) |
| GB (1) | GB782575A (en) |
-
1954
- 1954-08-27 GB GB24982/54A patent/GB782575A/en not_active Expired
- 1954-09-06 FR FR1107342D patent/FR1107342A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1107342A (en) | 1955-12-29 |
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