IT1261147B - ELECTRIC PRESSURE TRANSDUCER, PARTICULARLY FOR WASHING MACHINES - Google Patents
ELECTRIC PRESSURE TRANSDUCER, PARTICULARLY FOR WASHING MACHINESInfo
- Publication number
- IT1261147B IT1261147B ITTO931018A ITTO931018A IT1261147B IT 1261147 B IT1261147 B IT 1261147B IT TO931018 A ITTO931018 A IT TO931018A IT TO931018 A ITTO931018 A IT TO931018A IT 1261147 B IT1261147 B IT 1261147B
- Authority
- IT
- Italy
- Prior art keywords
- fluid
- springs
- membrane
- crew
- pressure
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/007—Transmitting or indicating the displacement of flexible diaphragms using variations in inductance
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
Il trasduttore comprende un involucro (l-3) con un'apertura (2b) per l'ingresso di un fluido di cui si vuole rilevare la pressione. Nell'involucro (1-3) è montato un equipaggio mobile includente una membrana (6). destinata ad essere investita dal fluido ed a spostarsi in misura dipendente dalla pressione di tale fluido. Alla membrana (6) è associato un nucleo ferromagnetico (10) mobile in un avvolgimento stazionario (8) la cui induttanza varia nel funzionamento in funzione della pressione del fluido che investe la membrana (6). All'equipaggio mobile (6, 9, 10) sono associate almeno due molle (14, 15) che agiscono su tale equipaggio in versi contrari. Almeno una di tali molle (15) presenta una caratteristica carico/deformazione di tipo non-lineare. A tali molle sono .associate rispettivi organi di regolazione (12, 13) che consentono di modificarne il precarico.(Figura 3).The transducer comprises a casing (l-3) with an opening (2b) for the entry of a fluid whose pressure is to be detected. In the casing (1-3) a movable crew is mounted including a membrane (6). intended to be hit by the fluid and to move to an extent dependent on the pressure of this fluid. The membrane (6) is associated with a ferromagnetic core (10) movable in a stationary winding (8) whose inductance varies in operation as a function of the pressure of the fluid that hits the membrane (6). The mobile crew (6, 9, 10) are associated with at least two springs (14, 15) which act on this crew in opposite ways. At least one of these springs (15) has a non-linear characteristic load / deformation. To these springs are associated respective adjustment members (12, 13) which allow to modify their preload (Figure 3).
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO931018A IT1261147B (en) | 1993-12-30 | 1993-12-30 | ELECTRIC PRESSURE TRANSDUCER, PARTICULARLY FOR WASHING MACHINES |
FR9414921A FR2714728B1 (en) | 1993-12-30 | 1994-12-12 | Electric pressure transducer, in particular for washing machines. |
DE4444167A DE4444167B4 (en) | 1993-12-30 | 1994-12-12 | Electric pressure transducer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO931018A IT1261147B (en) | 1993-12-30 | 1993-12-30 | ELECTRIC PRESSURE TRANSDUCER, PARTICULARLY FOR WASHING MACHINES |
Publications (3)
Publication Number | Publication Date |
---|---|
ITTO931018A0 ITTO931018A0 (en) | 1993-12-30 |
ITTO931018A1 ITTO931018A1 (en) | 1995-06-30 |
IT1261147B true IT1261147B (en) | 1996-05-09 |
Family
ID=11411989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITTO931018A IT1261147B (en) | 1993-12-30 | 1993-12-30 | ELECTRIC PRESSURE TRANSDUCER, PARTICULARLY FOR WASHING MACHINES |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE4444167B4 (en) |
FR (1) | FR2714728B1 (en) |
IT (1) | IT1261147B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110118627A (en) * | 2018-02-06 | 2019-08-13 | 美的集团股份有限公司 | Pressure-detecting device, kitchen appliance for kitchen appliance |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1288780B1 (en) * | 1996-10-25 | 1998-09-24 | Elbi Int Spa | DIFFERENTIAL ELECTRONIC PRESSURE TRANSDUCER. |
IT1293962B1 (en) * | 1997-08-11 | 1999-03-15 | Elbi Int Spa | OPERATING MACHINE AND USE OF A PRESSURE TRANSDUCER IN AN OPERATING MACHINE. |
ITTO20050644A1 (en) | 2005-09-20 | 2007-03-21 | Itw Metalflex Druzba Za Proizv | SYSTEM FOR DETECTION OF OPERATING PARAMETERS OF A APPLIANCE EQUIPPED WITH A RELATIVELY MOBILE COMPONENT |
ITTO20050643A1 (en) * | 2005-09-20 | 2007-03-21 | Itw Metalflex Druzba Za Proisv | ANALOGUE TRANSLATOR OF POSITION OR OF A CORRELATED PHYSICAL SIZE EQUAL TO THE MECHANICAL CALIBRATION |
ITTO20060882A1 (en) | 2006-12-13 | 2008-06-14 | Itw Ind Components Srl | MONITORING DEVICE FOR THE FEEDING OF AN OPERATIONAL FLUID IN A HOUSEHOLD APPLIANCE, IN PARTICULAR OF A WATER FLOW TOWARDS A WASHER OF A WASHING MACHINE OR DISHWASHER |
DE102010022428A1 (en) | 2009-06-03 | 2010-12-09 | Marquardt Mechatronik Gmbh | sensor |
CN206330645U (en) * | 2016-09-05 | 2017-07-14 | 泰科电子(上海)有限公司 | Sensor cluster and liquid level detection device |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2121924A1 (en) * | 1971-05-04 | 1972-11-23 | Robert Bosch Gmbh, 7000 Stuttgart | Fuel injection device with an inductive intake manifold pressure converter |
FR2478813A1 (en) * | 1980-03-21 | 1981-09-25 | Renault | PRESSURE SENSOR FOR THE INTAKE OF AN INTERNAL COMBUSTION ENGINE |
IT1259576B (en) * | 1992-05-08 | 1996-03-20 | Elbi Int Spa | ELECTRIC PRESSURE TRANSDUCER |
-
1993
- 1993-12-30 IT ITTO931018A patent/IT1261147B/en active IP Right Grant
-
1994
- 1994-12-12 FR FR9414921A patent/FR2714728B1/en not_active Expired - Lifetime
- 1994-12-12 DE DE4444167A patent/DE4444167B4/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110118627A (en) * | 2018-02-06 | 2019-08-13 | 美的集团股份有限公司 | Pressure-detecting device, kitchen appliance for kitchen appliance |
Also Published As
Publication number | Publication date |
---|---|
FR2714728A1 (en) | 1995-07-07 |
DE4444167B4 (en) | 2005-03-24 |
DE4444167A1 (en) | 1995-07-06 |
FR2714728B1 (en) | 1998-11-27 |
ITTO931018A0 (en) | 1993-12-30 |
ITTO931018A1 (en) | 1995-06-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19981231 |