EP0853728B1 - Procede et dispositif pour une soupape d'admission de type soupape a plaquette - Google Patents

Procede et dispositif pour une soupape d'admission de type soupape a plaquette Download PDF

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Publication number
EP0853728B1
EP0853728B1 EP96930945A EP96930945A EP0853728B1 EP 0853728 B1 EP0853728 B1 EP 0853728B1 EP 96930945 A EP96930945 A EP 96930945A EP 96930945 A EP96930945 A EP 96930945A EP 0853728 B1 EP0853728 B1 EP 0853728B1
Authority
EP
European Patent Office
Prior art keywords
valve
plate
accordance
valve plate
catcher
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 - Lifetime
Application number
EP96930945A
Other languages
German (de)
English (en)
Other versions
EP0853728A1 (fr
Inventor
Georg Samland
Christian Keller
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.)
Burckhardt Compression AG
Original Assignee
Maschinenfabrik Burckhardt AG
Maschinenfabrik Sulzer Burckhardt AG
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 Maschinenfabrik Burckhardt AG, Maschinenfabrik Sulzer Burckhardt AG filed Critical Maschinenfabrik Burckhardt AG
Priority to EP96930945A priority Critical patent/EP0853728B1/fr
Publication of EP0853728A1 publication Critical patent/EP0853728A1/fr
Application granted granted Critical
Publication of EP0853728B1 publication Critical patent/EP0853728B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
    • F04B49/24—Bypassing
    • F04B49/243—Bypassing by keeping open the inlet valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/08—Actuation of distribution members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2201/00—Pump parameters
    • F04B2201/12—Parameters of driving or driven means
    • F04B2201/1208—Angular position of the shaft
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7859—Single head, plural ports in parallel
    • Y10T137/786—Concentric ports

Definitions

  • the invention relates to a method for operating a Plate type suction valve according to the characteristics of Claim 1.
  • the invention further relates to a Device for performing the method according to the Features of claim 6.
  • the device according to the invention has a valve catcher with a magnetic coil, as well as a Control device to control the solenoid and especially with a decaying alternating current feed.
  • Fig. 1 shows an exploded view of a suction valve 1 comprising a valve seat 2, which also as a Valve seat plate is referred to, a valve plate 3, a damper plate 4 and a catcher 6. These parts are from a common central screw 7 held together.
  • the damper plate 4 has openings 4d on to the passage of a spring 5, which between the Catcher 6 and the valve plate is arranged to act.
  • the Suction valve 1 can be with or without a damper plate 4 operate.
  • the valve catcher 6 has a plurality of annular bodies 6a, which are all connected to one another are. Each ring body 6a has one in the circumferential direction extending groove 6b, wherein in the annular groove 6b electrical conductors are arranged, which are a magnetic coil 9 form.
  • FIG. 3a shows a cross section through an annular body 6a with an annular groove 6b, so that the ring body 6a the shape of an annular magnetic yoke 6c.
  • a magnetic coil 9 is arranged, which a Trains electromagnets.
  • the ring body 6a according to the Embodiment Fig. 3a points to the Valve plate 3 side facing a cover layer 9a on which occupied by the solenoid 9 Hermetically seals the interior to the outside Magnetic coil 9 against contamination or harmful gases to protect.
  • the solenoid 9 is one Control device 8 controlled so that a Magnetic field forms, and the valve plate 3 of this Magnetic field is attracted.
  • the valve plate 3 forms the Anchor of the electromagnet.
  • Fig. 2 shows the control device 8, which one Modulation device 8a, the Control device via electrical lines 8b a rotation angle sensor and other electrical Lines 8b connected to the magnet coil (s) 9 is.
  • FIG. 4 is a schematic flow of the Control device 8 processed measurement signals and generated control signals shown.
  • On the horizontal axis is the time course t respectively the angle of rotation ⁇ of a piston compressor shown in top diagram the position of the valve in the two Operating states open and closed, in the middle Diagram a rotation angle signal of the rotation angle sensor, and in the lower diagram that of the control device 8 the magnetic coil emitted magnetic current I.
  • On a signal of the angle encoder 10 towards the coil 9 Magnetizing current is applied, which causes the Valve plate 3 is attracted by valve catcher 6 so that the valve is opened.
  • the leads Control device 8 a first control phase 11a, which causes magnetization of the valve catcher 6.
  • the Suction valve 1 can now be selected as desired Time period be kept open.
  • the Control device 8 a second after this signal Activation phase 11b of the electromagnet 9 initiates by a decaying by means of a modulation device 8a Alternating current is generated, which to the solenoid 9th is applied to the valve plate 3 and / or Demagnetize valve catcher 6.
  • a modulation device 8a Alternating current is generated, which to the solenoid 9th is applied to the valve plate 3 and / or Demagnetize valve catcher 6.
  • the Demagnetization is any holding force between the Valve plate 3 and the valve catcher 6 prevented, in particular, the two parts stick together prevented due to remaining magnetic forces.
  • the valve seat 2, the valve plate 3 and the valve catcher 6 usually consist of one stainless steel with hard magnetic properties. Between the valve seat 2, the valve plate 3 and the Valve catchers 6 are not magnetically insulating Materials arranged so that the demagnetization of the Valve plate 3 and the valve catcher 6 is advantageous, to ensure correct operation of the suction valve 1 guarantee.
  • the control method according to the invention the solenoid 9 with a modulation device 8a Demagnetization also has the advantage that the Demagnetization can be carried out in a very short time, what very fast switching times of the suction valve 1 allows.
  • the suction valve 1 is particularly such controllable that during a predeterminable number of Revolutions, e.g. of a compressor, valve 1 open can be held and that the valve (1) during a further, arbitrarily selectable number of revolutions in the automatic, opening and closing Working mode can be operated. So it is possible the amount of the suction valve 1 continuously increased regulate.
  • FIG. 5 shows a further schematic sequence of one Control procedure and the position of the valve 1.
  • On the time axis t is the horizontal axis or the equivalent over time Angle of rotation ⁇ of a piston compressor shown.
  • Angle of rotation sensor 10 With the Angle of rotation sensor 10, the angle of rotation signal is measured.
  • the operating behavior of the suction valve 1 in conjunction with a piston compressor is known. In particular is known that after a regarding the angle of rotation signal fixed angle of rotation ⁇ the valve is fully open and the valve plate 3 rests on the valve catcher 6.
  • the Solenoid 9 is only activated by the control device 8 then in a first control phase 11a with a Solenoid current I activated when valve 1 is complete is open and the valve plate 3 on the valve catcher 6 is applied.
  • valve plate 3 is very reliable and with a relatively low magnetic force being held.
  • a piston compressor is a valve plate 3 during a rotation angle of, for example, 120 degrees Valve catcher 6.
  • the valve plate 3 during the second control phase 11b not prematurely from Influence range of the solenoid 9 separately and the Valve plate 3 can be completely demagnetized.
  • the suction valve 1 according to FIG. 1 can be with or without Damper plate 4 can be designed.
  • the control procedure 5 was for a suction valve 1 without Damper plate 4 described. If the suction valve 1 but also have a damper plate 4, so in 5, the damper plate 4 between the valve plate 3 and the valve catcher 6 arranged so that when the valve is fully open 1 the damper plate 4 abuts the valve catcher 6, and the Valve plate 3 abuts the damper plate 4. otherwise nothing changes in the control procedure.
  • FIG. 3b shows a further cross section through an as Ring body magnet yoke 6c formed ring body 6a.
  • Suction valve a damper plate 4 ⁇ , the Damper plate, as shown in Fig. 1, from a A plurality of interconnected ring bodies 4a consists.
  • the ring body 4a is according to the Embodiment 3b designed such that the Ring body magnet yoke 6c side facing U-shaped is designed. This configuration causes the magnetic flux increases via the valve plate 3 flows, with which the valve plate 3 better through the Solenoid 9 can be tightened.
  • FIG. 3c shows a further exemplary embodiment of a Suction valve 1 with damper plate 4.
  • the ring body 4a has the Damper plate 4 a gap 4c, forming two ring body parts 4b, as shown in Fig. 1 is.
  • the gap 4c advantageously runs concentric to the central screw 7.
  • FIG 3d shows a further cross section through a Ring body 6a, the ring body magnet yoke 6c being V-shaped is designed so that the entire magnetic coil 9 is embedded in an insulating cover layer 9a.
  • At least one is required to operate the suction valve 1 arranged in the valve catcher 6 solenoid 9 required.
  • These solenoids 9 can be controlled by the control device 8 in such a way that all solenoids have the same pole running Generate a magnetic field or that neighboring Magnet coils generate an opposite polar magnetic field.
  • the Device according to the invention for actuating a Valve plate 3 of a plate type 1 suction valve comprises at least one valve catcher 6 and one electronic control device 8. This device can be used together with a valve seat 2, a valve plate 3, and spring elements 5 to a suction valve 1 be put together.
  • the is suitable Device according to the invention also for existing ones Suction valves to convert them into a controllable suction valve 1 convert.
  • the Device according to the invention and the suction valves 1 are used particularly in reciprocating compressors.
  • the device according to the invention allows the Delivery rate of each individual compression area of the Piston compressor independent of the others Compression areas and infinitely variable and too regulate.
  • Fig. 6 shows a further embodiment of a Suction valve 1 comprising a valve seat 2 and a Valve plate 3, which valve plate 3 from a plurality single, concentrically arranged, ring-shaped trained valve plate parts 3a, 3b, and a catcher 6 with in the annular bodies 6a of the catcher 6 arranged magnetic coils 9.
  • the springs 5, which the Valve plate parts 3a, 3b in the rest position against the Press valve seat 2 are not shown.
  • the solenoid coils 9 is under the Coil 9 arranged valve plate part 3a, 3b, 3c from overlying, U-shaped ring body 6a dressed.
  • the solenoids 9 can be controlled together, so that all valve plate parts 3a, 3b, 3c have the same effect are operable.
  • the magnetic coils 9 are also of this type controllable that the one valve plate parts 3a, 3b, 3c, for example the valve plate parts 3a, 3b through the Actuation of the solenoid 9 held on the valve catcher 6 are normally movable while the valve plate part 3c opens and closes, because the over the valve plate part 3c arranged magnet coil 9 is not activated.
  • the valve plate parts 3a, 3b, 3c are made of one ferromagnetic metal such as iron or from a ferromagnetic plastic or from a one plastic containing ferromagnetic metal manufactured.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Magnetically Actuated Valves (AREA)
  • Compressor (AREA)
  • Manipulator (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Valve Device For Special Equipments (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Claims (15)

  1. Procédé pour le réglage progressif du débit d'une soupape d'aspiration (1) du type à plaquette, avec une plaquette de soupape (3) qui est actionnée par un électro-aimant disposé dans un capteur de soupape (6), où l'électro-aimant (9) est commandé de façon que lors d'une première phase de commande (11a), la plaquette de soupape (3) s'applique solidement et est bloquée au capteur de soupape (6) ou à une plaquette d'amortissement (4) disposée entre le capteur de soupape (6) et la plaquette de soupape (3), et en ce que lors d'une deuxième phase de commande (11b), l'électro-aimant (9) est commandé avec un courant alternatif décroissant pour démagnétiser la plaquette de soupape (3) au moins partiellement de telle sorte que la plaquette de soupape (3) est relâchée.
  2. Procédé selon la revendication 1, caractérisé en ce que l'électro-aimant (9) est activé pendant que la plaquette de soupape (3) se trouve dans un état ouvert.
  3. Procédé selon la revendication 2, caractérisé en ce que l'électro-aimant (9) est seulement activé ou désactivé lorsque la plaquette de soupape (3) s'applique seule ou ensemble avec la plaquette d'amortissement (4) au capteur de soupape (6).
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que l'électro-aimant (9) est commandé de façon que la plaquette de soupape (3) reste ouverte pendant un nombre de cycles prédéfinissable d'un compresseur et qu'il est amené à fonctionner en course libre sur un nombre de cycles prédéfinissable sans l'effet de l'électro-aimant (9).
  5. Procédé selon l'une des revendications 1 à 4, caractérisé en ce que la plaquette de soupape (3) est constituée d'une pluralité de parties de plaquette de soupape (3a, 3b) disposées d'une manière concentrique qui sont commandées individuellement ou en commun par les électroaimants (9).
  6. Dispositif d'actionnement d'une plaquette de soupape (3) d'une soupape d'aspiration (1) du type à plaquette conformément à un procédé selon l'une des revendications 1 à 5, constitué d'un capteur de soupape (6) ainsi que d'un dispositif de commande électronique (8), où le capteur de soupape (6) est formé par un corps annulaire (6a) qui présente une rainure annulaire (6b) s'étendant dans la direction périphérique ainsi qu'une bobine magnétique (9) disposée dans la rainure annulaire (6b) de telle sorte que le corps annulaire (6a) réalise une culasse magnétique de corps annulaire (6c) d'un électro-aimant, et où la bobine magnétique (9) est reliée au dispositif de commande (8) pour attirer la plaquette de soupape (3) formant l'induit de l'électro-aimant.
  7. Dispositif selon la revendication 6, caractérisé en ce que le dispositif de commande électronique (8) présente au moins un dispositif de modulation (8a) produisant le courant alternatif décroissant, ce courant alternatif pouvant être appliqué à la bobine magnétique (9) pour démagnétiser la culasse magnétique de corps annulaire (6c) et/ou la plaquette de soupape (3) servant d'induit.
  8. Dispositif selon la revendication 6 ou 7, caractérisé en ce que le capteur de soupape (6) présente une pluralité de corps annulaires (6a) disposés d'une manière concentrique avec des bobines magnétiques (9), et en ce que les bobines magnétiques (9) peuvent être commandées par le dispositif de commande (8) selon la même polarité ou la polarité opposée.
  9. Soupape d'aspiration du type à plaquette (1) comprenant un siège de soupape (2), une plaquette de soupape (3) avec des ressorts de soupape (5) ainsi qu'un dispositif selon l'une des revendications 6 à 8, où la plaquette de soupape (3) et le siège de soupape (2) peuvent être placés directement l'un sur l'autre.
  10. Soupape d'aspiration du type à plaquette (1) selon la revendication 9, caractérisée en ce qu'il est disposé entre la plaquette de soupape (3) et le capteur de soupape (6) une plaquette d'amortissement (4).
  11. Soupape d'aspiration du type à plaquette (1) selon la revendication 9 ou 10, caractérisée en ce que la plaquette d'amortissement (4) présente une pluralité de corps annulaires (4a) s'étendant d'une manière concentrique qui sont tous reliés entre eux et qui sont réalisés en forme de U sur le côté orienté vers le capteur de soupape (6).
  12. Soupape d'aspiration du type à plaquette (1) selon la revendication 9 ou 10, caractérisée en ce que la plaquette d'amortissement (4) présente une pluralité de corps annulaires (4a) s'étendant d'une manière concentrique qui sont tous reliés entre eux, où au moins un corps annulaire (4a) est constitué de deux parties de corps annulaires (4b) séparées par une fente (4c) s'étendant de préférence d'une manière concentrique.
  13. Soupape d'aspiration du type à plaquette (1) selon l'une des revendications 9 à 12, caractérisée en ce que le siège de soupape (2), la plaquette de soupape (3) et le capteur de soupape (6) sont réalisés en acier inoxydable, notamment en un acier ayant des caractéristiques magnétiques dures.
  14. Soupape d'aspiration du type à plaquette (1) selon l'une des revendications 9 à 13, caractérisée en ce que la plaquette de soupape (3) est constituée d'une pluralité de parties de plaquette de soupape individuelles (3a, 3b), réalisées en forme d'anneau, disposées d'une manière concentrique.
  15. Compresseur à piston avec un dispositif selon l'une des revendications 6 à 14 ou amené à fonctionner suivant un procédé selon l'une des revendications 1 à 5.
EP96930945A 1995-10-03 1996-10-01 Procede et dispositif pour une soupape d'admission de type soupape a plaquette Expired - Lifetime EP0853728B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP96930945A EP0853728B1 (fr) 1995-10-03 1996-10-01 Procede et dispositif pour une soupape d'admission de type soupape a plaquette

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP95810621 1995-10-03
EP95810621 1995-10-03
PCT/CH1996/000340 WO1997013068A1 (fr) 1995-10-03 1996-10-01 Procede et dispositif pour une soupape d'admission de type soupape a plaquette
EP96930945A EP0853728B1 (fr) 1995-10-03 1996-10-01 Procede et dispositif pour une soupape d'admission de type soupape a plaquette

Publications (2)

Publication Number Publication Date
EP0853728A1 EP0853728A1 (fr) 1998-07-22
EP0853728B1 true EP0853728B1 (fr) 2002-05-08

Family

ID=8221803

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96930945A Expired - Lifetime EP0853728B1 (fr) 1995-10-03 1996-10-01 Procede et dispositif pour une soupape d'admission de type soupape a plaquette

Country Status (11)

Country Link
US (1) US6149400A (fr)
EP (1) EP0853728B1 (fr)
JP (1) JPH11512806A (fr)
KR (1) KR19990063951A (fr)
CN (1) CN1078678C (fr)
AT (1) ATE217391T1 (fr)
AU (1) AU6983496A (fr)
CA (1) CA2234157A1 (fr)
DE (1) DE59609191D1 (fr)
RU (1) RU2166144C2 (fr)
WO (1) WO1997013068A1 (fr)

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EP0971160B1 (fr) * 1998-07-07 2005-04-13 Burckhardt Compression AG Robinet-vanne commandé pour un compresseur à piston
DE19852389A1 (de) * 1998-11-13 2000-05-18 Fev Motorentech Gmbh Kolbenbrennkraftmaschine mit drosselfreier Laststeuerung und Einrichtung zur Erzeugung eines Unterdrucks
US7819131B2 (en) * 2005-02-14 2010-10-26 Cameron International Corporation Springless compressor valve
AT504693B1 (de) * 2006-12-22 2009-02-15 Hoerbiger Kompressortech Hold Selbsttätiges ringventil
AT504695B1 (de) * 2006-12-22 2008-12-15 Hoerbiger Kompressortech Hold Saugventil mit abhebegreifer
CA2698229A1 (fr) * 2007-09-07 2009-03-12 Renato Bastos Ribeiro Couvre-culasse a piston alternatif comportant une soupape a disque rotatif pour echange de fluide integree
EP2351932B1 (fr) * 2007-10-02 2014-08-20 Emerson Climate Technologies, Inc. Compresseur doté d'une plaque de valve améliorée
US8740183B2 (en) * 2007-10-18 2014-06-03 Burckhardt Compression Ag Actively controlled valve and method for operating an actively controlled valve
JP5195273B2 (ja) * 2008-10-21 2013-05-08 株式会社Ｉｈｉ 逆止弁
CN102220958B (zh) * 2011-05-09 2013-02-06 合肥通用机械研究院 往复式压缩机进气阀气量无级调节装置
ITCO20110072A1 (it) 2011-12-22 2013-06-23 Nuovo Pignone Spa Valvole con elemento di chiusura valvolare collegato alla contro-sede attuata e relativi metodi
BRPI1105379B1 (pt) * 2011-12-26 2021-08-10 Embraco Indústria De Compressores E Soluções Em Refrigeração Ltda Sistema de válvula semi-comandada aplicado em compressor e método de modulação de capacidade de compressor dotado de sistema de válvula semi-comandada
ITFI20120048A1 (it) * 2012-03-08 2013-09-09 Nuovo Pignone Srl "automatic valve with a spring holder ring"
AT514712B1 (de) * 2013-09-04 2015-06-15 Hoerbiger Kompressortech Hold Ventilplatte für Gaswechselventile
ITUB20150797A1 (it) * 2015-05-22 2016-11-22 Nuovo Pignone Tecnologie Srl Valvola per un compressore alternativo
US10436187B2 (en) 2015-10-29 2019-10-08 Emerson Climate Technologies, Inc. Cylinder head assembly for reciprocating compressor
WO2018178118A1 (fr) * 2017-03-27 2018-10-04 Burckhardt Compression Ag Obturateur pour une soupape de compresseur à piston et procédé de fonctionnement de l'obturateur de soupape
CN110651122B (zh) * 2017-03-27 2021-05-11 伯克哈特压缩机股份公司 活塞压缩机阀和活塞压缩机阀操作方法
US11486505B2 (en) * 2018-03-08 2022-11-01 Burckhardt Compression Ag Plate valve and method for operating same

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Also Published As

Publication number Publication date
RU2166144C2 (ru) 2001-04-27
KR19990063951A (ko) 1999-07-26
DE59609191D1 (de) 2002-06-13
JPH11512806A (ja) 1999-11-02
EP0853728A1 (fr) 1998-07-22
WO1997013068A1 (fr) 1997-04-10
US6149400A (en) 2000-11-21
CA2234157A1 (fr) 1997-04-03
ATE217391T1 (de) 2002-05-15
CN1198803A (zh) 1998-11-11
CN1078678C (zh) 2002-01-30
AU6983496A (en) 1997-04-28

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