WO2011095928A1 - Electrovanne pilote - Google Patents
Electrovanne pilote Download PDFInfo
- Publication number
- WO2011095928A1 WO2011095928A1 PCT/IB2011/050415 IB2011050415W WO2011095928A1 WO 2011095928 A1 WO2011095928 A1 WO 2011095928A1 IB 2011050415 W IB2011050415 W IB 2011050415W WO 2011095928 A1 WO2011095928 A1 WO 2011095928A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- solenoid valve
- flat
- core
- valve according
- mobile core
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0603—Multiple-way valves
- F16K31/0624—Lift valves
- F16K31/0627—Lift valves with movable valve member positioned between seats
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0603—Multiple-way valves
- F16K31/0606—Multiple-way valves fluid passing through the solenoid coil
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0651—One-way valve the fluid passing through the solenoid coil
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
Definitions
- the present invention relates to miniature solenoid valves commonly used in driving compressed air distribution systems with a slide or a valve. These miniature solenoid valves act as multipliers and power controllers. Indeed, for a low input electrical power, often less than 1 W, the output controlled pneumatic power is greater than 1 kW.
- the principle of construction of miniature solenoid valves is based on electromagnets whose movable element can have two types of construction.
- the first type of construction is characterized by a cylindrical core penetrating deeply into the central portion of a coil belonging to the electromagnet. This construction is commonly called a dipping solenoid valve.
- the second type of construction is characterized by a flat-shaped core, not penetrating into the central part of the coil.
- This construction is commonly called solenoid valve with flat mobile core.
- the state of the art can be illustrated by the document EP 1 536 169.
- This construction is characterized by an optimization of the magnetic flux, to the detriment of the large mass of the plunging core. The friction forces are eliminated by the use of two flat springs, in particular serving to guide the plunging core.
- race The distance traveled by the flat mobile core between its two stable positions is called race.
- the air gap located perpendicular to the main axis of the solenoid valve. This gap is motor. It directly determines the stroke of the core and therefore the flow rate of the valve. It is therefore necessary to control the dispersions at this gap.
- This gap located radially to the main axis of the solenoid valve. This gap is not motor. It is however necessary to allow the movement of the nucleus in its housing. It is also necessary to control this gap in order to limit its impact on the looping of the magnetic flux of the electromagnet.
- the stroke of the core depends on the dimensions of a large number of parts, but also on the variability of the points of operation of the springs according to the characteristics of the magnetic forces of the electromagnet. It then becomes very difficult to produce miniature solenoid valves with a reproducible flow rate, and to guarantee a low power absorbed.
- the present invention aims, in particular to provide a miniature solenoid valve of low power absorbed, whose movable element can be likened to a flat mobile core and whose stroke and the restoring force of the flat mobile core can be better controlled, so that the value of the flow is reproducible.
- a solenoid valve comprising an electromagnet, composed of a flat mobile core, a fixed core and a coil, is characterized in that it comprises a body, also belonging to the electromagnet, and comprising an opening, located at the upper end of the body, opposite the supply orifice, adapted to the insertion of the flat mobile core, the fixed core and the coil, the body being secured to a ring holding device made of non-magnetic material, a flat spring being compressed between the retaining ring and the flat moving core.
- the flat spring associated with a retaining ring, allows the setting of a pre-load force for sealing a supply port when the valve is in the rest position, regardless of the setting of the stroke of the core. mobile flat.
- the adjustment of the travel of the flat mobile core can be obtained during the establishment of the subset consisting of the coil and the fixed core.
- the supply port and the orifice (s) of use can be made in the lower part of the body.
- the retaining ring can allow the centering of the fixed core.
- the supply port and the orifice (s) of use can be made in the bottom, integral with the body.
- the carcass of the coil may have several bosses.
- the valve may have a polygonal shape.
- the valve may be of cylindrical shape, a shoulder in the flat mobile core then acting as a restraint.
- the valve may have a shoulder.
- a conical spring may be inserted between the valve shoulder and the shoulder of the flat moving core.
- a centering washer in association with the flat pre-load spring, can be used to center and guide the flat mobile core, while limiting the friction due to the very small thickness of the centering washer.
- This centering washer can be replaced by a second flat spring, low stiffness, pre-constrained by means of a shoulder in the body to ensure the flat mobile core, in association with the flat return spring, a guiding without any friction, neither with the body, nor with any other internal part.
- the flat mobile core and the fixed core may have an area close to the gap whose geometry is stepped.
- the outer diameter of the flat mobile core can be reduced to limit its mass and in that said flat mobile core has a bead instead of the guide ring.
- the centering function of the flat mobile core is then obtained, not by a centering washer, but by the bead formed directly on the outer diameter of the flat mobile core.
- the outer shape of the body section may be truncated on at least two opposite faces, thereby forming flats.
- the sealing of the fluid circuit of the solenoid valve with respect to the outside can be obtained, depending on the construction, by O-rings integrated in the pilot solenoid valve, or by gaskets forming an integral part of the apparatus or device receiving the pilot solenoid valve.
- all the fluidic channels connecting the solenoid valve to the external devices are rectilinear and therefore do not present a sudden change in the direction of the fluid, hence the absence of losses of additional localized loads, so the airflow is maximum for a small pressure difference.
- the flat mobile core used has a particular shape that makes it possible to produce a force characteristic as a function of the position adopted, by the influence of the geometrical parameters of the gaps. This shape makes it possible to reduce the magnetic gap without changing the useful stroke and to modify the attraction characteristic of this flat mobile core.
- the optimization of the resulting dynamic force is also obtained by decreasing as much as possible the volume, therefore the mass, of the flat mobile core.
- the variability of the operating points of the flat spring is limited by an "in situ" adjustment of the latter, guaranteeing the value of the low power absorbed.
- the miniature solenoid valve according to the invention may also include a one-piece structure of the body connecting the electromagnetic part to the fluidic part, here pneumatic.
- a one-piece structure of the body connecting the electromagnetic part to the fluidic part here pneumatic.
- the flow rate of the supply orifice is directly controlled by the position of the flat mobile element element of the electromagnetic and pneumatic system.
- Fig. 1 is a longitudinal section along plane B-B of a solenoid valve which is de-energized according to the invention
- Fig. 2 is a longitudinal section along the plane A-A of a non-energized solenoid valve according to the invention
- Fig. 3 is a longitudinal section of the solenoid valve of FIG. 2 under power
- Fig. 4 is a detail illustrating the constitution of the coil of the solenoid valve of FIG. 1,
- Fig. 5 is a detail illustrating the coil subassembly of the solenoid valve of FIG. 1,
- Fig. 6 is a detail illustrating the assembly of the coil subassembly of FIG. 5
- Fig. 6b is a detail illustrating bosses integrated into the main bore of the carcass defined FIG. 4.
- Fig. 6c is a longitudinal section along the plane A-A of FIG. 6b.
- Fig. 7 illustrates an alternative embodiment of the shape of the flat mobile core of the solenoid valve of FIG. 1,
- Fig. 7b illustrates an alternative embodiment of the shape of the flat mobile core of the solenoid valve of FIG. 1,
- Fig. 8 is a perspective view of a valve used in the solenoid valve of FIG. 1,
- Fig. 9 is a longitudinal section along the plane A-A of the valve according to
- Fig. 9b illustrates an alternative embodiment of the shape of the valve illustrated in FIG. 9 of the solenoid valve of FIG. 1,
- Fig. 9c illustrates another alternative embodiment of the shape of the valve illustrated in FIG. 9 of the solenoid valve of FIG. 1,
- Fig. 9d illustrates the presence of a conical spring between the valve illustrated in FIG. 9 and the core of the solenoid valve of FIG. 1,
- Fig. 10 is a longitudinal section along the plane B-B of the valve mounted in the flat mobile core, according to FIG. 9, inserted into the flat mobile core of the solenoid valve of FIG. 1,
- Fig. 11 is a perspective view of a first embodiment of the body of the solenoid valve of FIG. 1,
- Fig. 12 is a top view of FIG. 1 1,
- Fig. 13 is a perspective view of a second embodiment of the body of the solenoid valve of FIG. 1,
- Fig. 14 is a top view of FIG. 13
- FIG. 15 and 16 are sections similar to FIG. 2 illustrating alternative solutions for internal sealing
- Fig. 17 illustrates an alternative embodiment of the body shape and the flat moving core of the solenoid valve of FIG. 1,
- Fig. 18 is a schematic curve showing the influence of the shape of the magnetic gap on the attraction curve of the flat mobile core
- Fig. 19 is an enlargement of FIG. 18, in the area close to the working gap.
- Figures 1 and 2 show a solenoid valve according to the invention.
- the magnetic part of the solenoid valve allowing the looping of the magnetic flux generated by the coil 17, is composed of a body 4, a fixed core 3 and a flat mobile core 10 made of ferromagnetic material.
- the flat mobile core 10 moves along the main axis of the solenoid valve between the fixed core 3 and the lower part of the body 4.
- the flat movable core 10 which moves along the main axis of the solenoid valve is subjected to an elastic restoring force due to the flat spring 9.
- This adjustable force assembly is called pre-load.
- the fluidic portion of the solenoid valve is composed of the body 4, the fixed core 3 and the flat movable core 10 having a double-sided valve 12.
- the fluidic portion of the solenoid valve allows the control of the air flow rates from the 18 to the orifice (s) of use 19 or from the orifice (s) of use 19 to the exhaust port 20.
- An alternative construction is to control the passage fluid that between the feed ports 18 and 19.
- the fluid circuit of the solenoid valve is sealed on the one hand by an oblong seal 7 trapped between the coil casing 5 and a retaining ring 8 ensuring the internal seal, and on the other by the four O-rings. 2, 13, 15 and 26 providing external sealing.
- This external sealing function can also be performed by one or more external seals (not shown), forming an integral part of the device or device receiving the pilot solenoid valve, and thereby replacing one or more O-rings 2, 13 , 15 and 26.
- the retaining ring 8 is non-magnetic material so as not to affect the characteristics of the magnetic field.
- the supply port 18 and the orifice (s) of use 19 are made in the lower part of the body 4 called bottom 4D.
- the bottom 4D is integral with the body 4. This allows in particular to limit the assembly dispersions and thereby to achieve a more precise adjustment of the position of the ring 8 and the race of the flat mobile core 10.
- Figure 3 illustrates the solenoid valve under tension.
- the core 10 provided with the valve 12 is then in the up position, and abuts on the fixed core 3. In this way the exhaust port 20 is closed by the action of the valve 12 on the seat 22.
- FIG. 4 shows the constitution of the coil 17.
- the coil 17 is composed of a coil casing 5, a coil 6 and two electrical connection pins 1.
- the coil 17, an elongate seal 7 and the fixed core 3 form a coil subassembly 30 whose constitution is more particularly illustrated in FIG. 5.
- the coil 17 is slid along the axis of the fixed core 3 until it comes into stop on it.
- the elongated seal 7 is mounted on the fixed core 3 so as to retain the coil 17 on the fixed core 3.
- connection zone of the coil subassembly 30 is more particularly visible.
- FIG. 6 The connection pins 1 and their supports 24 provided in the coil casing 5 pass through the fixed core 3 via two through holes. 25 provided for this purpose.
- a resin 16 can be injected between the fixed core 3 and the coil casing 5, in order to secure the coil 17 and the fixed core 3. This operation is performed after insertion of the coil subassembly 30 into the body 4.
- Figure 7 illustrates an alternative embodiment 10B of the shape of the flat moving core 10.
- the aim here is to achieve a particular magnetic force characteristic between the flat moving core 10B and the end of the fixed core 3B.
- particular geometries are used in areas close to the motor gap.
- the magnetic flux is indeed more marked for a conical shape ( Figure 1) or staged ( Figure 7), allowing an identical attraction characteristic for a consumption of reduced electrical energy.
- the efficiency of the electromagnet in the vicinity of the working gap is higher by using one or other of these two geometries.
- valve 12 illustrated in FIG. 8
- This valve 12 of polygonal shape is inserted into a circular bore of the flat mobile core 10.
- This particular form, polygonal, inserted in a circular hole advantageously keeps the valve in its housing, while preventing any deformation of the bearing surfaces on the seats 21, 22 and ensuring the clearance of any burrs relating to the closing of the mold of the valve.
- valve 12B may be of cylindrical shape, a shoulder 34 in the flat movable core 10D then acting as a restraint. This option is illustrated in Figure 9b.
- valve 12C Another geometry of the valve 12C, showing a shoulder 35, can also be realized, so as to obtain a greater flexibility of the valve 12C inside the flat mobile core 10E, to promote contact between the flat mobile core 10E and the fixed core 3 when the coil 17 is energized. This option is illustrated in Figure 9c.
- the design of the solenoid valve allows the assembly of all the internal constituents by the rear of the body 4, via an opening 23 particularly adapted to the insertion of the flat mobile core 10, the fixed core 3 and the coil 17.
- the design of the solenoid valve also allows independence of the settings of the stroke and the preload. The assembly of the various elements of the solenoid valve is explained below.
- the centering washer 1 1 and the flat mobile core assembly 10, 12 are placed in the lower part of the body 4.
- the flat spring 9 is then inserted and comes into contact with the flat moving core assembly 10, 12.
- the retaining ring 8 is inserted into the body 4 until it comes into contact with the flat spring 9.
- the flat spring 9 exerts the preload on the flat moving core assembly 10, 12 and the flat moving core assembly 10, 12 comes into contact with the feed port 18.
- the pre-load force is then checked by a suitable means.
- the retaining ring 8 When the position of the retaining ring 8 is such that the pre-load force reaches a predefined correct value, the retaining ring 8 is crimped onto the body 4.
- the coil subassembly 30 is then inserted into the body 4 to a position such that the stroke reaches a satisfactory value.
- the value of the stroke is checked by alternating positions between the idle position, unpowered coil, and the actuated position, energized coil, so that the stroke is defined with a precision of the order of a few tens of micrometers.
- the retaining ring 8 also has the function of centering the lower part of the fixed core 3, with respect to the flat mobile core 10, during the insertion of the coil subassembly 30 into the body 4.
- the body 4 and the coil subassembly 30 are then crimped through the fixed core 3 in the upper part of the solenoid valve.
- the coil In the rest position, the coil is not energized, the supply orifice 18 is closed off by the valve 12, thanks to the pre-loading exerted by the flat spring 9 on the flat mobile core 10 making it possible to maintain a force on the seat 21 of the supply port 18, necessary to ensure the isolation of the latter relative to the other orifices 19 and 20.
- the orifice (s) of use 19 and the exhaust port 20 are then connected, via one or more orifice (s) 14 of the flat movable core 10. Note that the flat spring 9 and the centering washer 1 1 are sufficiently perforated so as not to disturb the passage of the fluid.
- Figures 15 and 16 illustrate alternative embodiments relating to the use of the oblong-shaped seal 7, providing internal sealing of the product.
- This oblong seal 7 is then replaced by two O-rings 31 and 32, the respective housings 41 and 42 are made either in the coil casing 5 ( Figure 15) or in the retaining ring 8 ( Figure 16).
- FIG. 17 illustrates an alternative embodiment 4C of the body 4 and 10C of the flat mobile core 10.
- the outside diameter of the flat moving core 10C is reduced, in order to further limit the impact of the mass of this 10C flat mobile core on product performance.
- the guide ring 1 1 is then removed and the guiding function of the flat mobile core 10C is then replaced by a bead 28, made on the flat mobile core 10C.
- This bead 28 is dimensioned so as to limit as much as possible the friction between the flat mobile core 10C and the body 4C.
- the orifice (s) 14, 19 are made in the body 4C.
- Figure 18 illustrates the influence of the geometry of the air gap on the attraction curve of the flat mobile core.
- the attraction force is represented on the ordinate while the gap is indicated on the abscissa.
- Three geometries are considered: a flat mobile core with flat air gap, a flat mobile core with conical air gap, a flat mobile core with stepped air gap.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/576,238 US9273791B2 (en) | 2010-02-02 | 2011-01-31 | Pilot solenoid valve |
ES11705269T ES2751152T3 (es) | 2010-02-02 | 2011-01-31 | Válvula de solenoide piloto |
JP2012551716A JP5979790B2 (ja) | 2010-02-02 | 2011-01-31 | パイロット式電磁弁 |
EP11705269.6A EP2531756B1 (fr) | 2010-02-02 | 2011-01-31 | Electrovanne pilote |
CN201180008277.3A CN102869910B (zh) | 2010-02-02 | 2011-01-31 | 先导电磁阀 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1000398A FR2955908B1 (fr) | 2010-02-02 | 2010-02-02 | Electrovanne pilote |
FR1000398 | 2010-02-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011095928A1 true WO2011095928A1 (fr) | 2011-08-11 |
Family
ID=42989282
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2011/050415 WO2011095928A1 (fr) | 2010-02-02 | 2011-01-31 | Electrovanne pilote |
Country Status (7)
Country | Link |
---|---|
US (1) | US9273791B2 (fr) |
EP (1) | EP2531756B1 (fr) |
JP (1) | JP5979790B2 (fr) |
CN (1) | CN102869910B (fr) |
ES (1) | ES2751152T3 (fr) |
FR (1) | FR2955908B1 (fr) |
WO (1) | WO2011095928A1 (fr) |
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US8839815B2 (en) | 2011-12-15 | 2014-09-23 | Honeywell International Inc. | Gas valve with electronic cycle counter |
US8899264B2 (en) | 2011-12-15 | 2014-12-02 | Honeywell International Inc. | Gas valve with electronic proof of closure system |
US8905063B2 (en) | 2011-12-15 | 2014-12-09 | Honeywell International Inc. | Gas valve with fuel rate monitor |
US8947242B2 (en) | 2011-12-15 | 2015-02-03 | Honeywell International Inc. | Gas valve with valve leakage test |
US9074770B2 (en) | 2011-12-15 | 2015-07-07 | Honeywell International Inc. | Gas valve with electronic valve proving system |
US9234661B2 (en) | 2012-09-15 | 2016-01-12 | Honeywell International Inc. | Burner control system |
US9557059B2 (en) | 2011-12-15 | 2017-01-31 | Honeywell International Inc | Gas valve with communication link |
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US10697632B2 (en) | 2011-12-15 | 2020-06-30 | Honeywell International Inc. | Gas valve with communication link |
US8947242B2 (en) | 2011-12-15 | 2015-02-03 | Honeywell International Inc. | Gas valve with valve leakage test |
US9995486B2 (en) | 2011-12-15 | 2018-06-12 | Honeywell International Inc. | Gas valve with high/low gas pressure detection |
US8905063B2 (en) | 2011-12-15 | 2014-12-09 | Honeywell International Inc. | Gas valve with fuel rate monitor |
US9851103B2 (en) | 2011-12-15 | 2017-12-26 | Honeywell International Inc. | Gas valve with overpressure diagnostics |
US9074770B2 (en) | 2011-12-15 | 2015-07-07 | Honeywell International Inc. | Gas valve with electronic valve proving system |
US9846440B2 (en) | 2011-12-15 | 2017-12-19 | Honeywell International Inc. | Valve controller configured to estimate fuel comsumption |
US10851993B2 (en) | 2011-12-15 | 2020-12-01 | Honeywell International Inc. | Gas valve with overpressure diagnostics |
US8899264B2 (en) | 2011-12-15 | 2014-12-02 | Honeywell International Inc. | Gas valve with electronic proof of closure system |
US8839815B2 (en) | 2011-12-15 | 2014-09-23 | Honeywell International Inc. | Gas valve with electronic cycle counter |
US9557059B2 (en) | 2011-12-15 | 2017-01-31 | Honeywell International Inc | Gas valve with communication link |
US9835265B2 (en) | 2011-12-15 | 2017-12-05 | Honeywell International Inc. | Valve with actuator diagnostics |
EP2682655A2 (fr) | 2012-07-05 | 2014-01-08 | Asco Joucomatic SA | Electrovanne du type à noyau plat et ressort plat |
US9234661B2 (en) | 2012-09-15 | 2016-01-12 | Honeywell International Inc. | Burner control system |
US9657946B2 (en) | 2012-09-15 | 2017-05-23 | Honeywell International Inc. | Burner control system |
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US10422531B2 (en) | 2012-09-15 | 2019-09-24 | Honeywell International Inc. | System and approach for controlling a combustion chamber |
US10215291B2 (en) | 2013-10-29 | 2019-02-26 | Honeywell International Inc. | Regulating device |
US9683674B2 (en) | 2013-10-29 | 2017-06-20 | Honeywell Technologies Sarl | Regulating device |
US10024439B2 (en) | 2013-12-16 | 2018-07-17 | Honeywell International Inc. | Valve over-travel mechanism |
US9841122B2 (en) | 2014-09-09 | 2017-12-12 | Honeywell International Inc. | Gas valve with electronic valve proving system |
US10203049B2 (en) | 2014-09-17 | 2019-02-12 | Honeywell International Inc. | Gas valve with electronic health monitoring |
US9645584B2 (en) | 2014-09-17 | 2017-05-09 | Honeywell International Inc. | Gas valve with electronic health monitoring |
US10503181B2 (en) | 2016-01-13 | 2019-12-10 | Honeywell International Inc. | Pressure regulator |
US10564062B2 (en) | 2016-10-19 | 2020-02-18 | Honeywell International Inc. | Human-machine interface for gas valve |
US11073281B2 (en) | 2017-12-29 | 2021-07-27 | Honeywell International Inc. | Closed-loop programming and control of a combustion appliance |
US10697815B2 (en) | 2018-06-09 | 2020-06-30 | Honeywell International Inc. | System and methods for mitigating condensation in a sensor module |
Also Published As
Publication number | Publication date |
---|---|
ES2751152T3 (es) | 2020-03-30 |
FR2955908A1 (fr) | 2011-08-05 |
EP2531756A1 (fr) | 2012-12-12 |
CN102869910A (zh) | 2013-01-09 |
US20120298896A1 (en) | 2012-11-29 |
EP2531756B1 (fr) | 2019-08-14 |
FR2955908B1 (fr) | 2012-05-04 |
US9273791B2 (en) | 2016-03-01 |
JP2013519051A (ja) | 2013-05-23 |
CN102869910B (zh) | 2014-09-24 |
JP5979790B2 (ja) | 2016-08-31 |
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