GB1575793A - Liquid level float siwtch - Google Patents
Liquid level float siwtch Download PDFInfo
- Publication number
- GB1575793A GB1575793A GB1463/78A GB146378A GB1575793A GB 1575793 A GB1575793 A GB 1575793A GB 1463/78 A GB1463/78 A GB 1463/78A GB 146378 A GB146378 A GB 146378A GB 1575793 A GB1575793 A GB 1575793A
- Authority
- GB
- United Kingdom
- Prior art keywords
- float
- stem
- float switch
- liquid
- contact unit
- 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
- 239000007788 liquid Substances 0.000 title claims description 30
- 230000009471 action Effects 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000002452 interceptive effect Effects 0.000 claims 1
- 230000001681 protective effect Effects 0.000 claims 1
- 230000000630 rising effect Effects 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- RLQJEEJISHYWON-UHFFFAOYSA-N flonicamid Chemical compound FC(F)(F)C1=CC=NC=C1C(=O)NCC#N RLQJEEJISHYWON-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
- H01H36/02—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by movement of a float carrying a magnet
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/64—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements
- G01F23/72—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using magnetically actuated indicating means
- G01F23/74—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using magnetically actuated indicating means for sensing changes in level only at discrete points
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Level Indicators Using A Float (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/760,573 US4081639A (en) | 1977-01-19 | 1977-01-19 | Liquid-level float switch construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1575793A true GB1575793A (en) | 1980-10-01 |
Family
ID=25059515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1463/78A Expired GB1575793A (en) | 1977-01-19 | 1978-01-13 | Liquid level float siwtch |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4081639A (cg-RX-API-DMAC7.html) |
| JP (1) | JPS6047691B2 (cg-RX-API-DMAC7.html) |
| CA (1) | CA1079832A (cg-RX-API-DMAC7.html) |
| DE (1) | DE2801823A1 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1575793A (cg-RX-API-DMAC7.html) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2182494A (en) * | 1985-10-29 | 1987-05-13 | Veglia Borletti Srl | A device for sensing the level of a liquid within the interior of a container |
| RU2393435C1 (ru) * | 2009-06-05 | 2010-06-27 | Учреждение Российской академии наук Институт проблем управления им. В.А. Трапезникова РАН | Способ индикации наличия жидкости в резервуаре и устройство для его осуществления |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4175435A (en) * | 1978-08-10 | 1979-11-27 | Nifco Inc. | Liquid level detecting device |
| US4345879A (en) * | 1979-12-06 | 1982-08-24 | Simer Pump Company | Hydraulic switch for a pump |
| US4540342A (en) * | 1982-11-04 | 1985-09-10 | Simer Pump Company | Hydraulic switch |
| US4615303A (en) * | 1984-01-23 | 1986-10-07 | Sackett Robert L | Fluid flow failure detection means |
| US4617806A (en) * | 1984-09-05 | 1986-10-21 | Hoshizaki Electric Co., Ltd. | Liquid level control apparatus |
| US4943210A (en) * | 1988-10-03 | 1990-07-24 | Bailey Jr James R | Pump control system, level sensor switch and switch housing |
| US5297939A (en) * | 1993-02-01 | 1994-03-29 | Johnson Pumps Of America, Inc. | Automatic control for bilge & sump pump |
| US5728987A (en) * | 1996-08-20 | 1998-03-17 | Utke; Gene H. | Gravity operated cam switch |
| US6040767A (en) * | 1997-06-19 | 2000-03-21 | Briggs & Stratton Corporation | Control system for engine lubricant level sensor |
| US6123508A (en) * | 1999-12-13 | 2000-09-26 | Barksdale, Inc. | Fluid level indicator |
| US7748965B2 (en) | 2005-10-17 | 2010-07-06 | Itt Manufacturing Enterprises, Inc. | Livewell/baitwell pump featuring rotating transom pickup tube |
| CA2785222C (en) | 2010-01-29 | 2015-11-03 | Gea Houle Inc. | Rotary milking station, kit for assembling the same, and methods of assembling and operating associated thereto |
| US10801874B2 (en) | 2012-04-23 | 2020-10-13 | Husky Corporation | Fully adjustable liquid tank float |
| CN109256297A (zh) * | 2018-10-31 | 2019-01-22 | 安庆泰邦船舶科技有限公司 | 一种浮球开关及安装、控制方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3555905A (en) * | 1969-05-21 | 1971-01-19 | Clayton A George | Apparatus for measuring liquid in a tank |
| GB1358441A (en) * | 1971-05-26 | 1974-07-03 | Girling Ltd | Fluid level indicating switch devices |
| US3857004A (en) * | 1973-06-08 | 1974-12-24 | Mccord Corp | Liquid level sensor |
| JPS551973Y2 (cg-RX-API-DMAC7.html) * | 1975-02-25 | 1980-01-19 |
-
1977
- 1977-01-19 US US05/760,573 patent/US4081639A/en not_active Expired - Lifetime
-
1978
- 1978-01-11 CA CA294,762A patent/CA1079832A/en not_active Expired
- 1978-01-13 GB GB1463/78A patent/GB1575793A/en not_active Expired
- 1978-01-17 DE DE19782801823 patent/DE2801823A1/de active Granted
- 1978-01-19 JP JP53003766A patent/JPS6047691B2/ja not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2182494A (en) * | 1985-10-29 | 1987-05-13 | Veglia Borletti Srl | A device for sensing the level of a liquid within the interior of a container |
| US4801926A (en) * | 1985-10-29 | 1989-01-31 | Veglia Borletti S.R.L. | Device for sensing the level of a liquid within the interior of a container |
| RU2393435C1 (ru) * | 2009-06-05 | 2010-06-27 | Учреждение Российской академии наук Институт проблем управления им. В.А. Трапезникова РАН | Способ индикации наличия жидкости в резервуаре и устройство для его осуществления |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2801823A1 (de) | 1978-07-20 |
| DE2801823C2 (cg-RX-API-DMAC7.html) | 1988-02-18 |
| JPS6047691B2 (ja) | 1985-10-23 |
| CA1079832A (en) | 1980-06-17 |
| US4081639A (en) | 1978-03-28 |
| JPS5395285A (en) | 1978-08-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |