AU504926B2 - Calibrating-pressure switches at extra low pressure settings - Google Patents
Calibrating-pressure switches at extra low pressure settingsInfo
- Publication number
- AU504926B2 AU504926B2 AU24549/77A AU2454977A AU504926B2 AU 504926 B2 AU504926 B2 AU 504926B2 AU 24549/77 A AU24549/77 A AU 24549/77A AU 2454977 A AU2454977 A AU 2454977A AU 504926 B2 AU504926 B2 AU 504926B2
- Authority
- AU
- Australia
- Prior art keywords
- calibrating
- extra low
- pressure
- settings
- low pressure
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
- H01H35/26—Details
- H01H35/2607—Means for adjustment of "ON" or "OFF" operating pressure
- H01H35/2614—Means for adjustment of "ON" or "OFF" operating pressure by varying the bias on the pressure sensitive element
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00408787A US3846600A (en) | 1973-10-23 | 1973-10-23 | Means for calibrating pressure switches at extra-low pressure settings |
CA210,980A CA1042509A (en) | 1973-10-23 | 1974-10-08 | Means for calibrating pressure switches at extra-low pressure settings |
AU74541/74A AU484713B2 (en) | 1973-10-23 | 1974-10-21 | Means for calibrating pressure switches at extra-low pressure settings |
JP49122325A JPS5067975A (en) | 1973-10-23 | 1974-10-23 | |
AU24549/77A AU504926B2 (en) | 1973-10-23 | 1977-04-22 | Calibrating-pressure switches at extra low pressure settings |
US05/916,992 USRE30207E (en) | 1973-10-23 | 1978-06-19 | Means for calibrating pressure switches at extra-low pressure settings |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00408787A US3846600A (en) | 1973-10-23 | 1973-10-23 | Means for calibrating pressure switches at extra-low pressure settings |
US73729376A | 1976-11-01 | 1976-11-01 | |
AU24549/77A AU504926B2 (en) | 1973-10-23 | 1977-04-22 | Calibrating-pressure switches at extra low pressure settings |
US05/916,992 USRE30207E (en) | 1973-10-23 | 1978-06-19 | Means for calibrating pressure switches at extra-low pressure settings |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU74541/74A Division AU484713B2 (en) | 1973-10-23 | 1974-10-21 | Means for calibrating pressure switches at extra-low pressure settings |
Publications (2)
Publication Number | Publication Date |
---|---|
AU2454977A AU2454977A (en) | 1977-12-08 |
AU504926B2 true AU504926B2 (en) | 1979-11-01 |
Family
ID=27422781
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU24549/77A Expired AU504926B2 (en) | 1973-10-23 | 1977-04-22 | Calibrating-pressure switches at extra low pressure settings |
Country Status (4)
Country | Link |
---|---|
US (2) | US3846600A (en) |
JP (1) | JPS5067975A (en) |
AU (1) | AU504926B2 (en) |
CA (1) | CA1042509A (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4024364A (en) * | 1975-11-28 | 1977-05-17 | Eaton Corporation | Pressure switch mechanism and cam stop arrangement therefor |
US4109121A (en) * | 1976-07-22 | 1978-08-22 | Robertshaw Controls Company | Electrical switch construction and method of making the same |
WO1979001143A1 (en) * | 1978-05-30 | 1979-12-27 | Eaton Corp | Calibration mechanism for a pressure switch |
US4262178A (en) * | 1978-05-30 | 1981-04-14 | Eaton Corporation | Calibration mechanism for a pressure switch |
JPS635153Y2 (en) * | 1980-11-08 | 1988-02-12 | ||
US4755639A (en) * | 1987-10-28 | 1988-07-05 | Eaton Corporation | Pressure switch with calibration tab |
US4947674A (en) * | 1988-09-07 | 1990-08-14 | Commonwealth Edison | Limit switch calibration system |
US7441439B2 (en) * | 2005-02-07 | 2008-10-28 | Richard Dean Mc Farland | Portable pressure switch calibration and diagnostic tool |
US9640344B2 (en) | 2014-02-07 | 2017-05-02 | Good Day Tools Llc | Portable pressure switch calibration and diagnostic tool |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2375387A (en) * | 1941-10-31 | 1945-05-08 | Cutler Hammer Inc | Circuit controlling device |
US2919321A (en) * | 1957-09-30 | 1959-12-29 | Tait Mfg Co The | Pressure differential responsive snapacting control for pumps and the like |
US3046368A (en) * | 1960-03-31 | 1962-07-24 | Penn Controls | Compressor unloader |
US3600536A (en) * | 1969-12-22 | 1971-08-17 | Controls Co Of America | Calibrating pressure switches at extra low-pressure setting |
IT964065B (en) * | 1971-08-24 | 1974-01-21 | Actuated Controls Ltd | IMPROVEMENTS TO PRESSURE SENSITIVE SWITCHES |
US3845265A (en) * | 1973-07-02 | 1974-10-29 | Controls Co Of America | Low profile pressure switch with plunger adjusting means |
-
1973
- 1973-10-23 US US00408787A patent/US3846600A/en not_active Expired - Lifetime
-
1974
- 1974-10-08 CA CA210,980A patent/CA1042509A/en not_active Expired
- 1974-10-23 JP JP49122325A patent/JPS5067975A/ja active Pending
-
1977
- 1977-04-22 AU AU24549/77A patent/AU504926B2/en not_active Expired
-
1978
- 1978-06-19 US US05/916,992 patent/USRE30207E/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU2454977A (en) | 1977-12-08 |
JPS5067975A (en) | 1975-06-06 |
AU7454174A (en) | 1976-04-29 |
US3846600A (en) | 1974-11-05 |
CA1042509A (en) | 1978-11-14 |
USRE30207E (en) | 1980-02-05 |
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