EP3594575A1 - Procédé de fonctionnement d'un système de chauffage et système de chauffage - Google Patents

Procédé de fonctionnement d'un système de chauffage et système de chauffage Download PDF

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Publication number
EP3594575A1
EP3594575A1 EP19182894.6A EP19182894A EP3594575A1 EP 3594575 A1 EP3594575 A1 EP 3594575A1 EP 19182894 A EP19182894 A EP 19182894A EP 3594575 A1 EP3594575 A1 EP 3594575A1
Authority
EP
European Patent Office
Prior art keywords
heat
consumer
transfer fluid
heat consumer
heat transfer
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.)
Withdrawn
Application number
EP19182894.6A
Other languages
German (de)
English (en)
Inventor
Mikael Tollsten
Pedro Ferreira
Henrique Pinto
Ricardo Freitas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP3594575A1 publication Critical patent/EP3594575A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1066—Arrangement or mounting of control or safety devices for water heating systems for the combination of central heating and domestic hot water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D17/00—Domestic hot-water supply systems
    • F24D17/0078—Recirculation systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/08—Hot-water central heating systems in combination with systems for domestic hot-water supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/02—Fluid distribution means
    • F24D2220/0207—Pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/02—Fluid distribution means
    • F24D2220/0235—Three-way-valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/02—Fluid distribution means
    • F24D2220/025—Check valves

Definitions

  • a heating system comprising a heat generator, a first heat consumer, a second heat consumer connected in parallel with the first heat consumer, connecting lines for fluid-conducting connection of the heat generator and the first heat consumer and / or second heat consumer, and a first circulation pump for circulating heat transfer fluid through the heat generator and the first Heat consumer and / or second heat consumer.
  • a method for operating such a heating system is also known, wherein in a first heating mode the heat generator generates the heat transfer fluid at a first, preferably high, temperature and this is fed to the first heat consumer, and wherein in a second heating mode the heat generator uses a second heat , preferably mean, temperature generated and this is fed to the second heat consumer.
  • the method according to the invention for operating a heating system comprises a first heating mode, in which a heat generator generates a heat transfer fluid with a first, preferably relatively high, temperature and this is fed to a first heat consumer; it also includes a second heating mode in which the heat generator generates the heat transfer fluid at a second, preferably relatively medium, temperature and is supplied to a second heat consumer.
  • the method is characterized in that it further comprises a switchover mode in which Switching from the first heating mode to the second heating mode, the second heat consumer is supplied with additional heat transfer fluid at a third, preferably relatively low, temperature.
  • the heating system comprises a heat generator, a first heat consumer, a second heat consumer connected in parallel to the first heat consumer, connecting lines for fluid-conducting connection of the heat generator and first heat consumer and / or second heat consumer, and a first circulating pump for circulating heat transfer fluid through connecting lines, heat generator and first heat consumer and / or second heat consumer.
  • the heating system is characterized by a bypass line connected in parallel to the second heat consumer, the bypass line branching off at a removal point from the connecting line downstream of the second heat consumer and opening into the connecting line upstream of the second heat consumer at a supply point, and a second circulation pump arranged between the bypass line and the second heat consumer for circulating heat transfer fluid through bypass line and second heat consumer.
  • Another heating system according to the invention is characterized by a cross-connection line, the cross-connection line branching off at a removal point from the connection line downstream of the first heat consumer and opening into the connection line upstream of the second heat consumer at a supply point.
  • the heating system can be a heat pump heating system; then the heat generator is a heat pump that heats the heat transfer fluid.
  • the heating system can also have a different type of heat generator, such as a gas appliance, an oil boiler or an electrical heat generator.
  • the heat generator can be a controllable and / or power-modulating heat generator that generates heat transfer fluid of different temperatures.
  • the heating system can be a hot water heating system.
  • the heat transfer fluid and the additional heat transfer fluid can be water or consist essentially of water. Alternatively, the heat transfer fluid and the additional one Heat transfer fluid also include air or oil.
  • the additional heat transfer fluid is preferably of the same type as the heat transfer fluid.
  • the first heat consumer can be any heat consumer or heat consumer or heat exchanger; in particular, it can be a drinking water heater that heats drinking water with the heat of the heat transfer fluid.
  • the first heat consumer can be a domestic hot water heater according to the flow principle (for example, according to the design of a plate heat exchanger) or according to the storage principle (for example, according to the design of a tubular coil heat exchanger).
  • the second heat consumer can be any heat consumer or heat consumer or heat exchanger; in particular, it can be a room radiator that transfers the heat of the heat transfer fluid into a room or into room air.
  • the second heat consumer can be floor or wall or ceiling heating, a radiator or a convector.
  • the second heat consumer is connected in parallel to the first heat consumer.
  • Connection lines connect the heat generator, the first heat consumer, the second heat consumer and any other components such as circulating pumps, valves, non-return valves, filters, seals, etc. that conduct fluid.
  • heat transfer fluid conveyed by a first circulating pump can flow from the heat generator through connecting lines to the first heat consumer and / or to the second heat consumer, likewise from the first heat consumer and / or from the second heat consumer through connecting lines back to the heat generator.
  • the bypass line is a special connecting line, it is connected in parallel with the first and second heat consumers with respect to the heat generator; it can be used to return additional heat transfer fluid from a removal point of the connecting line downstream of the second heat consumer to the supply point of the connecting line upstream of the second heat consumer.
  • a second circulating pump is connected between the supply point and the second heat consumer or between the second heat consumer and the removal point, with which heat transfer fluid can be conveyed through the bypass line and the second heat consumer.
  • the cross connection line is also a special connection line; through them additional heat transfer fluid can be drawn from a removal point of the connecting line downstream of the first Heat consumer are fed into the feed point of the connecting line upstream of the second heat consumer.
  • a line opens upstream of a component at a feed point of a connecting line and / or branches off downstream of a component at a removal point of a connecting line means that it opens and / or branches in close proximity to the component, in particular between no further lines open or branch off from the feed point and the component and / or between the component and the removal point.
  • the heat generator supplies the first heat consumer with heat at a first temperature by means of the heat transfer fluid.
  • the heat generator supplies the second heat consumer with heat at a second temperature by means of the heat transfer fluid.
  • the operation of the heating system in the changeover mode is carried out when the heating system switches from the first heating mode to the second heating mode.
  • the changeover mode is between the first heating mode and the second heating mode.
  • the switchover mode serves to supply the second heat exchanger with heat transfer fluid tempered to a target temperature and / or to a permissible temperature.
  • Figure 1 discloses a first exemplary embodiment of the heating system 1 comprising a heat generator 2, a first heat consumer 3, a second heat consumer 4 connected in parallel with the first heat consumer 3, connecting lines 5 for fluid-conducting connection of heat generators 2 and first heat consumer 3 and / or second heat consumer 4, as well as a first circulation pump 6 for circulating heat transfer fluid through connecting lines 5, heat generator 2 and first heat consumer 3 and / or second heat consumer 4.
  • a three-way valve 7 directs the circulating heat transfer fluid to the first heat consumer 3 (first heating mode ) and / or to the second heat consumer 4 (second heating mode).
  • the heating system 1 comprises a bypass line 8 connected in parallel to the second heat consumer 4, the bypass line 8 branching off at a removal point 81 from the connecting line 5 downstream of the second heat consumer 4 and opening at a supply point 82 into the connecting line 5 upstream of the second heat consumer 4, as well as a second circulating pump 9 arranged between the bypass line 8 and the second heat consumer 4 for circulating heat transfer fluid through the bypass line 8 and the second heat consumer 4.
  • the heating system 1 comprises a backflow preventer 83 arranged in the bypass line 8, the backflow preventer 83 flowing through the bypass line 8 with heat transfer fluid the removal point 81 in the direction of the feed point 82 and blocks in the opposite direction.
  • the backflow preventer 83 ensures that no bypass lines 8 flow through the bypass line 8, for example in the first or in the second heating mode.
  • the heating system 1 comprises a control device (not shown here) for regulating and / or controlling the heating system 1, including, for example, the controllable and / or controllable components of the heat generator 2 (on / off and power or temperature control), the circulation pumps 6 and 9 (on / off and power or volume flow control), as well as the three-way valves 7 and 11 (open and closed position).
  • a first exemplary embodiment of the method for operating the heating system 1 comprises a first heating mode in which the heat generator 2 generates the heat transfer fluid at a first, preferably relatively high, temperature T1 and this is fed to the first heat consumer 3; it also includes a second heating mode, in which the heat generator 2 generates the heat transfer fluid at a second, preferably relatively average, temperature T2 and is supplied to the second heat consumer 4. That tempered to a certain temperature value Heat transfer fluid heats the respective heat consumer 3, 4 and, for example, adjacent connecting lines 5 to the same temperature value.
  • the method further comprises a switchover mode in which, when switching from the first heating mode to the second heating mode, additional heat transfer fluid with a third, preferably relatively low, temperature T3 is supplied to the second heat consumer 4.
  • the heating system and the method have the advantage that heat transfer fluid with impermissible temperature control is not supplied to the second heat consumer 4, in particular that heat transfer fluid with impermissible temperature control is not suddenly supplied to the second heat consumer 4.
  • the first heating mode and the second heating mode are separated in time, so that a switching mode is provided between the first and second heating modes during the switching process. In particular, this ensures that the heat transfer fluid tempered for the first heating mode does not reach the second heat consumer 4. For example, malfunctions for the operation and risks for the heating system 1, which can result from the impermissible temperature control, are avoided.
  • the first temperature T1 at which the heat transfer fluid is fed to the first heat consumer 3 in the first heating mode can be a relatively high temperature T1, such as about 60 ° C .; for example, a domestic hot water heater is supplied with it.
  • a temperature range of the temperature T1 is, for example, between approximately 40 ° C. and approximately 65 ° C. In extreme situations, such as for the thermal disinfection of a connected domestic hot water tank, the temperature T1 can also reach values up to around 80 ° C.
  • the second temperature T2 at which the heat transfer fluid is supplied to the second heat consumer 4 in the second heating mode can be a relatively mean temperature T2, such as about 40 ° C .; for example, a room radiator is supplied with it.
  • a temperature range of the temperature T2 is between approximately 25 ° C. and approximately 65 ° C.
  • a temperature range of the temperature T2 is, for example, between approximately 7 ° C. and approximately 25 ° C.
  • the situation can arise that the temperature of the heat transfer fluid, as it is heated by the heat generator 2, does not suddenly adjust, but gradually from the first temperature T1 to the second temperature T2. This can be caused by a control behavior of the heat generator 2 and / or a thermal inertia of the heating system 1.
  • the invention enables in the switchover mode, the supply of permissible temperature-controlled heat transfer fluid to the second heat consumer 4 by supplying additional heat transfer fluid with temperature T3 to the second heat consumer 4.
  • the maximum permissible or target temperature T2 of the second heat consumer 4 can have a fixed value such as 40 ° C.
  • Temperature T2 can, however, also have a value that changes over time, for example according to a ramp or staircase function that increases in particular over time; For example, it may be necessary or desirable not to increase the temperature T2 of the heat transfer fluid supplied to the second heat consumer 4 suddenly, but gradually to a final temperature value, such as, for example, a ramp or a staircase from 30 ° C. to 35 ° C. to 40 ° C. the time from the end of the first heating mode to a full expression of the second heating mode after the switchover mode has ended.
  • the invention thus enables the heat transfer fluid which is not inadmissibly tempered to be supplied to the second heat consumer 4.
  • the invention enables the second heat consumer 4 and, for example, adjacent connecting lines 5 not to be flowed through with inadmissibly tempered heat transfer fluid and not, or not too quickly, to be heated to that impermissible temperature. Too rapid and / or excessive tempering could, among other things, lead to overheating, failure and / or uneven expansion of neighboring affected components and materials, and Lead to thermal stresses and crackling noises. Malfunctions for the operation and risks for the heating system could result.
  • the switchover mode with the supply of additional heat transfer fluid with a third, preferably relatively low, temperature just avoids such situations.
  • the second heat consumer 4 and, for example, adjoining connecting lines 5 are flowed through only with permissible temperature-controlled heat transfer fluid and / or only gradually heated to that permissible or desired temperature.
  • the third temperature T3, with which the additional heat transfer fluid is supplied to the second heat consumer 4 in the switchover mode can be a relatively low temperature T3, such as about 30 ° C.
  • a temperature range of the temperature T3 (for example in the case of heating of a room assigned to the second heat consumer 4) is, for example, 5 K to 10 K below the temperature T2, for example between approximately 20 ° C. and approximately 60 ° C.
  • both the heat transfer fluid flowing in from the heat generator 2 and the additional heat transfer fluid flowing in from a section of the heating system 1 at the third temperature T3 can be supplied to the second heat consumer 4.
  • the section of the heating system 1 with the third temperature T3 is the tapping point 81 downstream of the second heat consumer 4.
  • the heat transfer fluid flowing in from a section of the heating system 1 with the third temperature T3 does not flow from the heat generator 2.
  • These sections are cool (third temperature T3) because the heat transfer fluid flowing through them has transferred its heat in one of the heat consumers 3, 4.
  • the second heat consumer 4 is thus supplied with two partial heat transfer fluid flows, in particular of different temperatures, which combine to form a mixing temperature which is permissible for the second heat consumer 4.
  • a quantity control of the heat transfer fluid partial flows and / or a temperature control of the mixing temperature are, for example, by means of a variable pump delivery rate (pumps 6, 9) and / or a valve position (valves 7, 11, possibly further) possible.
  • the second circulating pump 9 is for this in the changeover mode responsible that the additional heat transfer fluid circulates through the bypass line 8 and through the second heat consumer 4.
  • the additional heat transfer fluid is removed downstream of the second heat consumer 4 at the removal point 81 and fed upstream of the second heat consumer 4 at the feed point 82.
  • the bypass line 8 branches off at the removal point 81 from the connecting line 5 downstream and a short line section behind the second heat consumer 4 and opens at the supply point 82 into the connecting line 5 upstream and a short line section before the second heat consumer 4.
  • the second circulation pump 9 can be controlled such that - at least at times - it alone allows the additional heat transfer fluid to circulate through the bypass line 8 and through the second heat consumer 4.
  • the first circulation pump 6 can be switched off.
  • the second circulation pump 9 circulates the additional heat transfer fluid as a first heat transfer fluid partial flow via the bypass line 8 and through the second heat consumer 4, and a second heat transfer fluid partial flow through the heat generator 2 and also through the second heat consumer 4 in the circuit circulate.
  • a total heat transfer fluid flow at the extraction point 81 is divided into the two partial flows mentioned; these two partial flows combine again at the supply point 82 to form the total flow.
  • the first heat transfer fluid partial flow that is the additional heat transfer fluid, circulates without being heated.
  • the second heat transfer fluid partial flow is heated in the heat generator. Mix by joining at feed point 82 the two heat transfer fluid partial flows to a temperature permissible for the second heat consumer 4.
  • the sizes of the volume flows of the first heat transfer fluid partial flow and the second heat transfer fluid partial flow can be set, for example, by the flow resistances of the lines through which flow - bypass line 8 and connecting line 5. These flow resistances can be predefined, for example by the length and diameter of the lines or by fixed resistors, or they can be adjustable, for example by means of adjustable fittings (valves, orifices, slides).
  • the volume flows of the partial flows and thus also the temperature of the heat transfer fluid supplied to the second heat consumer 4 can thus be determined or adjusted.
  • Figure 2 discloses second exemplary embodiments of the heating system 1 and of the method which, with regard to the heat generator 2, the first heat consumer 3, the second heat consumer 4, the connecting lines 5, the first circulation pump 6, the three-way valve 7, the control device (not shown), the first heating mode, the second heating mode and the switchover mode compared to the first exemplary embodiments Figure 1 are basically unchanged.
  • the heating system 1 comprises a cross connection line 10 (second bypass line 10), the cross connection line 10 branching off at a removal point 101 from the connection line 5 downstream of the first heat consumer 3 and opening at a supply point 102 into the connection line 5 upstream of the second heat consumer 4.
  • the heating system 1 further comprises a three-way valve 11 arranged at the extraction point 101 of the cross-connection line 10.
  • the second exemplary embodiment of the method for operating the heating system 1 also comprises, in addition to the first heating mode and the second heating mode, a switching mode in which, when switching from the first heating mode to the second heating mode, the second heat consumer 4 has additional heat transfer fluid with a third, preferably relatively low, temperature T3 is supplied.
  • a switching mode in which, when switching from the first heating mode to the second heating mode, the second heat consumer 4 has additional heat transfer fluid with a third, preferably relatively low, temperature T3 is supplied.
  • the three-way valve 11 in connection with a control signaling of the control device is set up to allow a flow through the cross-connection line 10 with additional heat transfer fluid from the first heat consumer 3 via the removal point 101 in the direction of the supply point 102 to the second heat consumer 4 in the changeover mode and to block it in the opposite direction.
  • both the heat transfer fluid flowing in from the heat generator 2 and the additional heat transfer fluid flowing in from a section of the heating system 1 at the third temperature T3 can be supplied to the second heat consumer 4.
  • the section of the heating system 1 with the third temperature T3 is the extraction point 101 downstream of the first heat consumer 3.
  • the heat transfer fluid flowing in from a section of the heating system 1 with the third temperature T3 does not flow from the heat generator 2.
  • Two heat transfer fluid partial flows, in particular of different temperatures, are thus fed to the second heat consumer 4, which combine to form a mixing temperature which is permissible for the second heat consumer 4.
  • the second circulation pump 9 is responsible for ensuring that the additional heat transfer fluid is supplied to the second heat consumer 4 Figure 2 in the switching mode of the second embodiment, the first circulation pump is responsible for this.
  • the additional heat transfer fluid is removed downstream of the first heat consumer 3 at the extraction point 101 and supplied upstream of the second heat consumer 4 at the supply point 102.
  • the cross-connection line 10 branches on the Tapping point 101 from the connecting line 5 downstream and a short line section behind the first heat consumer 3 and opens at the supply point 102 into the connecting line 5 upstream and a short line section ahead of the second heat consumer 4.
  • the first circulation pump 6 circulates the additional heat transfer fluid as a first heat transfer fluid partial flow through the heat generator 2, the first heat consumer 3, the cross-connection line 10 and through the second heat consumer 4, and a second heat transfer fluid partial flow through the heat generator 2 circulate directly to the second heat consumer 4 in a circle.
  • a total heat transfer fluid flow at an extraction point 103 is divided into the two partial flows mentioned; these two partial flows combine again at the supply point 102 to form the total flow.
  • the first heat transfer fluid partial flow that is the additional heat transfer fluid, is heated in the heat generator 2 and cools down in the first heat consumer.
  • the second heat transfer fluid partial flow is heated in the heat generator and not cooled.
  • the two heat transfer fluid partial flows mix to a temperature that is permissible for the second heat consumer 4.
  • a second circulation pump is not necessary compared to the first exemplary embodiment, but a second three-way valve 11 is required for this.
  • the two three-way valves 7 and 11 can be combined to form a four-way valve.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
EP19182894.6A 2018-07-13 2019-06-27 Procédé de fonctionnement d'un système de chauffage et système de chauffage Withdrawn EP3594575A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PT110846A PT110846A (pt) 2018-07-13 2018-07-13 Processo para a operação de um sistema de aquecimento e sistema de aquecimento.

Publications (1)

Publication Number Publication Date
EP3594575A1 true EP3594575A1 (fr) 2020-01-15

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EP19182894.6A Withdrawn EP3594575A1 (fr) 2018-07-13 2019-06-27 Procédé de fonctionnement d'un système de chauffage et système de chauffage

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EP (1) EP3594575A1 (fr)
PT (1) PT110846A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022161580A1 (fr) * 2021-01-28 2022-08-04 Viessmann Climate Solutions Se Système de chauffage et procédé d'actionnement de système de chauffage
EP4361506A1 (fr) * 2022-10-26 2024-05-01 Robert Bosch GmbH Procédé de fonctionnement d'un système de machine thermique, dispositif de commande ou de régulation et système de machine thermique

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19925084C1 (de) * 1999-06-01 2000-07-27 Baelz Gmbh Helmut Wärmeversorgungsanlage, insbesondere zur Wärmeversorgung von Gebäuden
EP2848870A1 (fr) * 2013-09-13 2015-03-18 Robert Bosch GmbH Installation de chauffage et procédé destiné au fonctionnement d'une installation de chauffage
EP3101352A1 (fr) * 2015-06-01 2016-12-07 PAW GmbH & Co. KG Procede de fonctionnement d'une installation de chauffage et dispositif de regulation comprenant un capteur de difference de pression

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19925084C1 (de) * 1999-06-01 2000-07-27 Baelz Gmbh Helmut Wärmeversorgungsanlage, insbesondere zur Wärmeversorgung von Gebäuden
EP2848870A1 (fr) * 2013-09-13 2015-03-18 Robert Bosch GmbH Installation de chauffage et procédé destiné au fonctionnement d'une installation de chauffage
EP3101352A1 (fr) * 2015-06-01 2016-12-07 PAW GmbH & Co. KG Procede de fonctionnement d'une installation de chauffage et dispositif de regulation comprenant un capteur de difference de pression

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022161580A1 (fr) * 2021-01-28 2022-08-04 Viessmann Climate Solutions Se Système de chauffage et procédé d'actionnement de système de chauffage
EP4361506A1 (fr) * 2022-10-26 2024-05-01 Robert Bosch GmbH Procédé de fonctionnement d'un système de machine thermique, dispositif de commande ou de régulation et système de machine thermique

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Publication number Publication date
PT110846A (pt) 2020-01-13

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