US20150204575A1 - Mechanically automatically operating volumetric flow regulator - Google Patents

Mechanically automatically operating volumetric flow regulator Download PDF

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Publication number
US20150204575A1
US20150204575A1 US14/597,392 US201514597392A US2015204575A1 US 20150204575 A1 US20150204575 A1 US 20150204575A1 US 201514597392 A US201514597392 A US 201514597392A US 2015204575 A1 US2015204575 A1 US 2015204575A1
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US
United States
Prior art keywords
housing
volumetric flow
flow regulator
automatically operating
flap valve
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.)
Abandoned
Application number
US14/597,392
Other languages
English (en)
Inventor
Janine KOTLOWSKI
Martin ALOFS
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.)
Gebrueder Trox GmbH
Original Assignee
Gebrueder Trox 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 Gebrueder Trox GmbH filed Critical Gebrueder Trox GmbH
Assigned to TROX GMBH reassignment TROX GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: Alofs, Martin, Kotlowski, Janine
Publication of US20150204575A1 publication Critical patent/US20150204575A1/en
Abandoned legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/75—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity for maintaining constant air flow rate or air velocity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/029—Duct comprising an opening for inspection, e.g. manhole
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/52—Indication arrangements, e.g. displays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for

Definitions

  • the invention relates to a mechanically automatically operating volumetric flow regulator, in particular for interior ventilation systems through which a medium flows, having a housing that comprises a wall and forms part of a flow conduit, having a flap valve mounted in the interior of the housing pivotably on a shaft arranged transversely to the flow direction, such that under the influence of the medium flowing against the flap valve, the flap valve is swingable against a return force out of an open position into a closed position, and upon a decrease in the volumetric flow of the flowing medium pivots back into the open position as a result of the return force.
  • the flap valve can be fastened nonrotatably on the shaft so that the shaft then rotates with respect to the housing.
  • the shaft can be mounted with respect to the housing at one end or both ends.
  • stub shafts projecting laterally beyond the outer contour of the flap valve can also be respectively provided in two oppositely located regions of the flap valve.
  • the shaft can be arranged nonrotatably on the housing. In this case the flap valve then rotates around the shaft. Only one end, or both ends, of the shaft can be fastened on the housing.
  • the housing can comprise a respective inward-facing stub shaft in two oppositely located regions.
  • volumetric flow regulators In the context of mechanically automatically operating volumetric flow regulators, the flap valve is swung against a return force, under the influence of the medium flowing against the flap valve, out of an open position into a closed position. If the pressure gradient in front of and behind the flap valve decreases, the flap valve is pivoted back into its open position by the return force.
  • Volumetric flow regulators of this kind operate mechanically automatically, since the flow-related regulator flap torque is compensated for by the return force, which is usually generated by a spring.
  • Known volumetric flow regulators are disadvantageous in that the position of the flap valve is not visible from outside. It is therefore not possible to establish an energy-optimized working point in every case, since large pressure losses result, for example, if the flap valve has almost reached its closed position (which is not visible from outside).
  • the object of the invention is to eliminate the aforesaid disadvantages and to describe a volumetric flow regulator in which the flap valve position can also be identified from outside the housing without disassembly.
  • an indicating element indirectly or directly connected to the flap valve and/or to the shaft and likewise moving in accordance with the movement of the flap valve, is provided inside and/or outside the housing, said element being arranged, for visual monitoring of the position of the flap valve, in a manner freely visible from outside the housing. Thanks to the configuration according to the present invention, the position of the flap valve can be identified at any time from outside the housing. Because automatically mechanically operating regulators usually have an externally accessible setpoint adjustment, the setpoint can be optimally adjusted while simultaneously observing the flap valve position. Energy-optimized regulation of the working point is thereby possible.
  • At least one end of the shaft itself can be embodied as an indicating element.
  • the indicating element can represent a painted-on identifier or a notch. Also conceivable is a line that is oriented parallel to the flap valve.
  • the indicating element can also be embodied as a separate component.
  • the indicating element can be fastened at an end of the shaft. This can involve, for example, a disk, placed onto the end of the shaft, that comprises a corresponding marking.
  • the indicating element can be arranged inside the housing, and the housing, at least in the region of the indicating element moving in accordance with the movement of the flap valve, can be made of a transparent material or can comprise an opening, in particular closed off with a viewing window.
  • the housing can, for example, have in the region in question a transparent viewing window which is sufficiently large that in every position of the flap valve the indicating element is visible and thus the flap valve position is identifiable. Also conceivable is an opening in the wall of the housing which enables observation of the aligned end of the shaft arranged in the interior of the housing.
  • the housing can comprise at least one opening as a mount for an end of the shaft.
  • the indicating element can be fastened on that end of the shaft which projects externally out of the opening.
  • that end of the shaft which projects externally out of the opening can itself be embodied as an indicating element.
  • At least a portion of a device for generating the return force can be arranged on the outer side of the housing.
  • a device for generating the return force is notable for the fact that the shaft comprises a lever arm on which a spring engages articulatedly, such that the spring can be, for example, a leaf spring whose one end is connected to the lever and whose other end is fastened onto a cam plate in such a way that upon displacement of the cam plate around a rotation point, the leaf spring is entrained by the cam plate and rolls along the cam; and that a device for securing the cam plate is provided.
  • a connecting rod or a connecting cable can be provided for connecting the lever to the associated end of the leaf spring.
  • At least a portion of a securing device for securing the device for generating the return force can be arranged on the outer side of the housing.
  • the securing device can be embodied, for example, as a screw that, after loosening, enables a rotation of the cam plate.
  • the housing comprises an external cover that covers, externally in the direction of the longitudinal dimension of the shaft, at least a sub-region of that portion of the securing device which is arranged outside the housing, and/or that covers, externally in the direction of the longitudinal dimension of the shaft, at least a sub-region of that portion of the device for generating the return force which is arranged outside the housing, and/or that covers, externally in the direction of the longitudinal dimension of the shaft, at least a sub-region of that portion of the indicating element which is arranged outside the housing, such that the cover, at least in the region of the indicating element likewise moving in accordance with the movement of the flap valve, either is made of a transparent material or comprises an opening, in particular one closed off with a viewing window, or the indicating element is located outside the cover.
  • the indicating element can be embodied, for example, as a disk or as a disk segment that projects, for example, laterally with respect to the cover and thus
  • the cover can be made of a panel.
  • Other materials are, of course, also conceivable. Configuring from a perforated panel, from a grid, from a transparent material, or the like is also possible.
  • the cover can comprise a preferably peripheral shoulder bent over in the direction of the housing. The region concealed by the cover is then also not visible from the side.
  • FIG. 1 is a side view of a volumetric flow regulator according to the present invention
  • FIG. 2 is a plan view of the subject matter of FIG. 1 ;
  • FIG. 3 shows the subject matter of FIG. 1 viewed in or oppositely to the flow direction
  • FIG. 4 is an oblique side view of the subject matter of FIG. 1 ;
  • FIG. 5 shows the subject matter of FIG. 4 , indicating the device for generating the return force arranged behind the cover, and the flap valve arranged in the housing.
  • the volumetric flow regulator is attachable by means of flanges 2 to air conduits (not depicted). Other cross sections of the volumetric flow regulator are also conceivable.
  • the volumetric flow regulator can be round, and can be connected to the air conduits (not depicted) by means of suitable slide-on sleeves.
  • a flap valve 5 is pivotably mounted on a shaft 4 arranged transversely to flow direction 3 . Flap valve 5 is fastened nonrotatably on shaft 4 . Flap valve 5 is swingable under the influence of a medium flowing onto flap valve 5 , against a return force, out of its open position as depicted e.g. in FIG. 3 into its closed position. As the volumetric flow of the flowing medium decreases, flap valve 5 is pivoted by the return force back into its open position.
  • an opening 6 through which the respective end 7 of shaft 4 is guided outward, is provided in each of two oppositely located walls. Openings 6 serve in that regard as mounts for shaft 4 . Shaft 4 is sealed in the region of the two openings 6 , by way of seals that are not depicted, with respect to housing 1 .
  • an indicating element 8 in the form of a separately embodied component is placed externally onto one of the two ends 7 of shaft 4 .
  • This indicating element 8 comprises a marking in the form of a line. The line is oriented parallel to the position of flap valve 5 . Indicating element 8 co-rotates as the position of flap valve 5 changes.
  • a cover 9 is provided on that side of housing 1 on which indicating element 8 is arranged.
  • this cover 9 is made up of a planar element having two oppositely located short sides 10 oriented orthogonally to flow direction 3 , and having two oppositely located long edges 11 oriented parallel to flow direction 3 .
  • Each of the two short edges 10 contacts the respectively adjacent flange 2 , and can be fastened to said flange 2 in a manner not further illustrated.
  • cover 9 is bent over toward housing 1 forming a shoulder 19 .
  • the two bent-over shoulders 19 contact the wall of housing 1 .
  • the region covered by cover 9 is thus embodied in laterally closed-off fashion on all four sides.
  • Cover 9 can be, for example, slid, clipped, or bolted onto housing 1 and/or onto flanges 2 .
  • cover 9 is made of a transparent material.
  • Cover 9 can, for example, comprise a viewing window 12 in this region. Indicating element 8 is thus visible even though cover 9 is installed, so that the position of flap valve 5 is recognizable from outside housing 1 , i.e. from outside through viewing window 12 , even when the volumetric flow regulator is in the installed state.
  • FIGS. 1 and 4 depict in further detail the device for generating the return force.
  • Housing 1 mounted on housing 1 , swingably around a rotation point 13 , is a cam plate 14 that can be immobilized in different pivot positions using a securing device (not depicted) for securing the device for generating the return force.
  • a spring 16 which is embodied as a leaf spring, is fastened at the upper (in FIG. 4 ) end of a cam 15 constituted by cam plate 14 .
  • the other end of spring 16 is connected by means of a connecting rod 17 to a perforated disk 18 that sits on pivot shaft 4 of flap valve 5 .
  • FIG. 5 shows the relaxed spring 16 .
  • spring 16 rolls along cam 15 of cam plate 14 , in which context its end attached to connecting rod 15 experiences a deflection. If the properties of the volumetric flow regulator are to be modified, it is then sufficient to loosen cam plate 14 and displace it into another position.
  • the device for generating the return force is located outside housing 1 .
  • the device for generating the return force is nevertheless arranged in protected fashion behind cover 9 .
  • the securing device (not further depicted) for securing the device for generating the return force can of course also be arranged outside housing 1 in protected fashion behind cover 9 .
  • rotation point 13 projects externally from housing 1 and also protrudes from cover 9 .
  • a hand lever for example, can be provided on rotation point 13 in order to modify the position of cam 15 .
  • a drive system that interacts with rotation point 13 is of course also conceivable.
  • cover 9 it is of course also possible, for example, for cover 9 to be embodied to be open in the region of the two long edges 11 , so that the components located behind cover 9 in these regions are recognizable from both sides.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
  • Air-Flow Control Members (AREA)
US14/597,392 2014-01-17 2015-01-15 Mechanically automatically operating volumetric flow regulator Abandoned US20150204575A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14151551.0A EP2896906B1 (de) 2014-01-17 2014-01-17 Mechanisch selbsttätig arbeitender Volumenstromregler
EP14151551.0 2014-01-17

Publications (1)

Publication Number Publication Date
US20150204575A1 true US20150204575A1 (en) 2015-07-23

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ID=49949566

Family Applications (1)

Application Number Title Priority Date Filing Date
US14/597,392 Abandoned US20150204575A1 (en) 2014-01-17 2015-01-15 Mechanically automatically operating volumetric flow regulator

Country Status (7)

Country Link
US (1) US20150204575A1 (enrdf_load_stackoverflow)
EP (1) EP2896906B1 (enrdf_load_stackoverflow)
BR (1) BR102015000715B1 (enrdf_load_stackoverflow)
DK (1) DK2896906T3 (enrdf_load_stackoverflow)
ES (1) ES2652293T3 (enrdf_load_stackoverflow)
NO (1) NO2896906T3 (enrdf_load_stackoverflow)
PL (1) PL2896906T3 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150253781A1 (en) * 2014-03-04 2015-09-10 Automatic Airflow Balancing Llc Airflow balancing valve for hvac systems
US11578891B2 (en) * 2018-07-24 2023-02-14 Aldes Aeraulique Adjustable adjuster from a first end and a second end of the adjuster

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015122557B4 (de) * 2015-12-22 2023-08-31 Schneider Electric Industries Sas Lüftungsvorrichtung, elektrische schaltanlage und druckentlastungskanal
CN106871376B (zh) * 2017-03-27 2019-08-13 珠海格力电器股份有限公司 一种扫风部件类型确定装置、方法及空调

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4523609A (en) * 1982-07-26 1985-06-18 H. Krantz Gmbh & Co. Volume flow or pressure regulating device
US20130337736A1 (en) * 2012-06-14 2013-12-19 Honeywell International Inc. Hvac damper system
US20150147955A1 (en) * 2012-05-21 2015-05-28 Capital Hardware Supply Inc. Adjustable regulator and lock device for ductwork damper

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4175583A (en) * 1977-07-11 1979-11-27 Gebruder Trox, Gesellschaft Mit Beschrankter Haftung Regulator valve
GB2468292A (en) * 2009-03-02 2010-09-08 Tri Air Innovations Ltd Damper with spring clutch to permit or prevent movement of the damper blade by relative position of spring legs on the spring clutch.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4523609A (en) * 1982-07-26 1985-06-18 H. Krantz Gmbh & Co. Volume flow or pressure regulating device
US20150147955A1 (en) * 2012-05-21 2015-05-28 Capital Hardware Supply Inc. Adjustable regulator and lock device for ductwork damper
US20130337736A1 (en) * 2012-06-14 2013-12-19 Honeywell International Inc. Hvac damper system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150253781A1 (en) * 2014-03-04 2015-09-10 Automatic Airflow Balancing Llc Airflow balancing valve for hvac systems
US10203703B2 (en) * 2014-03-04 2019-02-12 Mi Valve, Llc Airflow balancing valve for HVAC systems
US11054846B2 (en) 2014-03-04 2021-07-06 Mi Valve, Llc Airflow balancing valve for HVAC systems
US11281239B2 (en) 2014-03-04 2022-03-22 Metal Industries, Llc Airflow balancing valve for HVAC systems
US12085299B2 (en) 2014-03-04 2024-09-10 Greenheck Fan Corporation Airflow balancing valve for HVAC systems
US11578891B2 (en) * 2018-07-24 2023-02-14 Aldes Aeraulique Adjustable adjuster from a first end and a second end of the adjuster

Also Published As

Publication number Publication date
PL2896906T3 (pl) 2018-04-30
EP2896906A1 (de) 2015-07-22
BR102015000715B1 (pt) 2022-09-06
DK2896906T3 (en) 2018-01-08
EP2896906B1 (de) 2017-10-04
BR102015000715A2 (pt) 2016-06-07
NO2896906T3 (enrdf_load_stackoverflow) 2018-03-03
ES2652293T3 (es) 2018-02-01

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Legal Events

Date Code Title Description
AS Assignment

Owner name: TROX GMBH, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KOTLOWSKI, JANINE;ALOFS, MARTIN;REEL/FRAME:035317/0310

Effective date: 20150319

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION