GB601523A - Improvements in or relating to air operated gauging equipment - Google Patents
Improvements in or relating to air operated gauging equipmentInfo
- Publication number
- GB601523A GB601523A GB1138945A GB1138945A GB601523A GB 601523 A GB601523 A GB 601523A GB 1138945 A GB1138945 A GB 1138945A GB 1138945 A GB1138945 A GB 1138945A GB 601523 A GB601523 A GB 601523A
- Authority
- GB
- United Kingdom
- Prior art keywords
- air
- workpiece
- variation
- bridge
- unbalance
- 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
- 210000003414 Extremities Anatomy 0.000 abstract 3
- 238000010438 heat treatment Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B13/00—Measuring arrangements characterised by the use of fluids
- G01B13/08—Measuring arrangements characterised by the use of fluids for measuring diameters
- G01B13/10—Measuring arrangements characterised by the use of fluids for measuring diameters internal diameters
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Looms (AREA)
Abstract
601,523. Gauges. SIGMA INSTRUMENT CO., Ltd., and LOXHAM, J. May 4, 1945, No. 11389. [Class 40 (i)] [Also in Group XIX] Pneumatic gauging apparatus of the type in which the amount of air escaping through a nozzle controlled by the workpiece is a measure of the dimension of the workpiece is characterized in that the escaping air is used to unbalance a Wheatstone bridge to indicate the dimension electrically. Air is fed under pressure through a restriction 2 in a pipe, one limb 4 of which leads to a compensating valve 11 which maintains the pressure in the limbs 3, 4 substantially uniform. The limb 3 has two gauging nozzles 6, 7 from which the air escapes at a rate depending on the inside diameter of the workpiece. A Wheatstone bridge network includes two heating filaments 13, 14 inside the pipes 3, 4, the bridge being balanced when a master piece is being gauged. A variation from standard causes a variation in the flow of air in the pipes 3, 4 to cool the filaments 13, 14 differentially and so to vary their resistances and unbalance the bridge. A galvanometer G, which may be of the type described in Specification 601,540, [Group XXXVI], indicates the variation from standard.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB601523A true GB601523A (en) | 1948-05-07 |
Family
ID=1708354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1138945A Expired GB601523A (en) | 1945-05-04 | Improvements in or relating to air operated gauging equipment |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB601523A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2645117A (en) * | 1948-12-30 | 1953-07-14 | Continental Can Co | Leak detector for cans and the like |
| US2986924A (en) * | 1955-09-16 | 1961-06-06 | Becker Wilhelm Fritz Kurt | Device for location of surfaces |
| US3077767A (en) * | 1957-10-22 | 1963-02-19 | Fischer & Porter Co | Pneumatic systems for gauging linear dimensions |
-
1945
- 1945-05-04 GB GB1138945A patent/GB601523A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2645117A (en) * | 1948-12-30 | 1953-07-14 | Continental Can Co | Leak detector for cans and the like |
| US2986924A (en) * | 1955-09-16 | 1961-06-06 | Becker Wilhelm Fritz Kurt | Device for location of surfaces |
| US3077767A (en) * | 1957-10-22 | 1963-02-19 | Fischer & Porter Co | Pneumatic systems for gauging linear dimensions |
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