DE2801823C2 - - Google Patents
Info
- Publication number
- DE2801823C2 DE2801823C2 DE2801823A DE2801823A DE2801823C2 DE 2801823 C2 DE2801823 C2 DE 2801823C2 DE 2801823 A DE2801823 A DE 2801823A DE 2801823 A DE2801823 A DE 2801823A DE 2801823 C2 DE2801823 C2 DE 2801823C2
- Authority
- DE
- Germany
- Prior art keywords
- float
- shaft
- seal
- guide shaft
- switch according
- 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 claims description 34
- 230000001681 protective effect Effects 0.000 claims description 10
- 235000014676 Phragmites communis Nutrition 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 2
- 239000000806 elastomer Substances 0.000 claims description 2
- 239000012811 non-conductive material Substances 0.000 claims description 2
- 230000001419 dependent effect Effects 0.000 claims 1
- 230000005415 magnetization Effects 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 206010067482 No adverse event Diseases 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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 (2)
| Publication Number | Publication Date |
|---|---|
| DE2801823A1 DE2801823A1 (de) | 1978-07-20 |
| DE2801823C2 true DE2801823C2 (enExample) | 1988-02-18 |
Family
ID=25059515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19782801823 Granted DE2801823A1 (de) | 1977-01-19 | 1978-01-17 | Schwimmerschalter |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4081639A (enExample) |
| JP (1) | JPS6047691B2 (enExample) |
| CA (1) | CA1079832A (enExample) |
| DE (1) | DE2801823A1 (enExample) |
| GB (1) | GB1575793A (enExample) |
Families Citing this family (16)
| 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 |
| IT206269Z2 (it) * | 1985-10-29 | 1987-07-20 | Borletti Spa | Dispositivo sensore del livello di un liquido all interno di un serbatoio |
| 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 |
| 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 |
| WO2011091530A1 (en) | 2010-01-29 | 2011-08-04 | 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 (enExample) * | 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
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5395285A (en) | 1978-08-21 |
| JPS6047691B2 (ja) | 1985-10-23 |
| US4081639A (en) | 1978-03-28 |
| DE2801823A1 (de) | 1978-07-20 |
| CA1079832A (en) | 1980-06-17 |
| GB1575793A (en) | 1980-10-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8128 | New person/name/address of the agent |
Representative=s name: MUELLER, H., DIPL.-ING., PAT.-ANW., 8000 MUENCHEN |
|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |