EP0393111B1 - Auspuffventil - Google Patents

Auspuffventil Download PDF

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Publication number
EP0393111B1
EP0393111B1 EP89900362A EP89900362A EP0393111B1 EP 0393111 B1 EP0393111 B1 EP 0393111B1 EP 89900362 A EP89900362 A EP 89900362A EP 89900362 A EP89900362 A EP 89900362A EP 0393111 B1 EP0393111 B1 EP 0393111B1
Authority
EP
European Patent Office
Prior art keywords
valve
rod
sleeve
valve element
valve seat
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
EP89900362A
Other languages
English (en)
French (fr)
Other versions
EP0393111A1 (de
Inventor
Sven Erik Roland Olsson
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.)
Saab Kockums AB
Original Assignee
Kockums AB
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 Kockums AB filed Critical Kockums AB
Publication of EP0393111A1 publication Critical patent/EP0393111A1/de
Application granted granted Critical
Publication of EP0393111B1 publication Critical patent/EP0393111B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/12—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 specially adapted for submerged exhausting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F01N13/085—Other arrangements or adaptations of exhaust conduits having means preventing foreign matter from entering exhaust conduit

Definitions

  • the present invention relates to exhaust valves comprising a valve housing, a valve seat formed therein and a valve element supported by movable supporting means for moving the valve element into and out of sealing contact with the valve seat.
  • the invention particularly relates to exhaust valves of this kind for use in the exhaust duct from the engine of a submarine.
  • EP-A-0 226 157 discloses a valve used in lines for liquids containing particles, said valve comprising a valve housing, a valve seat formed therein and a valve element movable in said housing between open position and closed position in engagement with the valve seat.
  • the valve element is connected to a rod which is axially displaceable in a cylindrical sleeve for moving the valve element between open and closed positions.
  • said rod may be rotated to and fro for transmitting said rotary motion to the valve element when the valve elment is in its closed position.
  • One object of the present invention is to provide an exhaust valve of the kind mentioned initially, in which an efficient gringing action on the sealing surfaces between valve element and valve seat is obtained each time the valve is opened and closed, said grinding action being obtained by relative movement between the sealing surfaces, said surfaces simultaneously being urged towards each other by a predetermined pressure force.
  • Another object of the invention is to provide an exhaust valve including means which automatically provides said grinding action and which is simple with respect to its design and which without difficulty may be included into the supporting device used for moving the valve element into and out of engagement with the valve seat.
  • the exhaust valve illustrated in the figures include a substantially spherical valve housing 1 provided with two pipe sockets 2 and 3 respectively connected with the valve housing and extending co- axially with respect to each other.
  • the pipe socket 2 extends a certain distance into the valve housing and terminates into a circular valve seat 4 cooperating with a valve disk 5 which may be brought into engagement with the valve seat.
  • a supporting device 6 which is swingably mounted in the valve housing 1, the valve disk 5 may be swung between closed position as indicated by unbroken lines in fig 1 and open position as indicated by dash-and-dot lines in fig 1.
  • This supporting device 6 includes a shaft 7 rotatably supported in the valve housing 1, said shaft extending within the valve housing 1, through the walls thereof and terminates outside the valve housing.
  • At least one end of said shaft 7 is connected to hydraulic, pneumatic, electrical or other power means, by means of which shaft 7 may be rotated between two angular positions.
  • Shaft 7 is disposed sideways and above the valve seat 4 and extends in parallel with a plane through the upper edge of the valve seat 4.
  • the shaft 7 is rigidly connected with a hub 8 from which an arm 9 extends in the direction towards the valve seat.
  • Supported at the free end of arm 9 is a preferably cylindrical sleeve 10 of annular cross section, said sleeve extending coaxially with the pipe socket 2.
  • a rod 11 of circular cross section is axially displacable in said sleeve 10 and extends through end walls 12, 13 of said sleeve.
  • rod 11 At the end portion of rod 11 extending towards the valve disk 5, rod 11 is connected to the valve disk 5 so that a rotational movement of rod 11 about its own axis is transmitted to the valve disk 5, thus imparting to the valve disk a corresponding rotational movement.
  • the connection between rod 11 and valve disk 5 is obtained by means of a spherical, ball-like member 14 formed at the end of rod 11, said spherical member being provided with two pins 15 extending from the spherical member 14 in opposite directions.
  • the spherical member or ball 14 including the pins 15 is jounaled in the hub 5A of the valve disk 5 so that valve disk 5 will have a certain freedom of movement with respect to the rod 11, but so that when rod 11 is being rotated about its own axis, a corresponding rotational movement is imparted to the valve disk.
  • the rod 11 is provided with a washer 16, rigidly connected to the rod.
  • a compression spring 17 Disposed between the washer 16 and the upper end wall 13 of sleeve 10 is a compression spring 17 which continuously exerts a pressure force on the washer and thus on rod 11 in the direction towards the valve seat.
  • the sleeve 10 is provided with stops 18 disposed on the inner surface of the sleeve above the washer 16, said stops limiting the movement of washer 16 in the sleeve 10 between the bottom 12 thereof and said stop 18.
  • Washer 16 is further provided with grooves, which cooperate with a corresponding number of rims 19 which are rigidly connected with sleeve 10 on the inside thereof between the bottom 12 of the sleeve and said stops 18.
  • the rims 19 extend under a certain inclination with respect to the direction of the central axis of rod 11 and sleeve 10 respectively, so that when rod 11 is being displaced in the axial direction of the sleeve 10, a rotational movement about its own axis is imparted to rod 11 by means of washer 16.
  • the rotational movement is transmitted to the valve disk 5.
  • Axial displacement of rod 11 thus imparts a rotational movement to the valve disk corresponding to the rotational movement of rod 11.
  • valve disk Due to this rotational movement, the valve disk performs a periferal sliding movement along the valve seat, thus exerting a grinding action on the valve seat, and due to this the valve seat is kept free from impurities.
  • the swinging movement of arm 9 is continued until the fully open position of the valve has been reached, as indicated by dash-and-dot lines in fig 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lift Valve (AREA)
  • Taps Or Cocks (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
  • Valve Device For Special Equipments (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Claims (2)

1. Auspuffventil mit einem Ventilgehäuse (1), einem an dem Ventilgehäuse ausgebildeten ventilsitz (4), einem in dem Ventilgehäuse zwischen einer offenen und einer geschlossenen Stellung bewegbaren Ventilkörper (5) und einer in dem Ventilgehäuse (1) bewegbar angeordnete Tragvorrichtung (6), die den Ventilkörper (5) für seine Bewegung zwischen der offenen und der geschlossenen Stellung trägt, wobei zu der Tragvorrichtung (6) eine vorzugsweise zylindrische Hälse (10) und ein in der Hülse zwischen einer oberen und einer unteren Stellung in Axialrichtung bewegbar Stab (11) gehören, wobei der Stab (11) aus der Hülse in Richtung des Ventilkörpers (5) herausragt und an dem herausragenden Ende mit dem Ventilkörper (5) verbunden ist, so dass sowohl Bewegungen in Axialrichtung als auch Drehbewegungen des Stabes an den Ventilkörper (5) übertragen werden und wobei der Stab (11) stets in Richtung seiner unteren Stellung innerhalb der Hülse (10) beaufschlagt ist, dadurch gekennzeichnet, dass der Stab (11) und die Hülse (10) mit gegenseitig zusammenwirkenden Rippen und Rillen versehen sind, die angeordnet sind, dem Stab (11) bei einer Axialbewegung des Stabes (11) in der Hülse eine Drehbewegung beizubringen, um dem Ventilkörper (5) eine Drehbewegung relativ dem Ventilsitz beizubringen, bevor der Ventilkörper während des Öffnungsvorganges von dem ventilsitz abgehoben wird und nachdem der Ventilkörper während des Schliessvorganges an dem ventilsitz zur Anlage gebracht ist.
2. Auspuffventil nach Anspruch 1, dadurch gekennzeichnet, dass eine Unterlegscheibe (16) mit dem Stab (11) fest verbunden ist, wobei zwischen der Unterlegscheibe (16) und einer in der Hülse (10) vorgesehenen oberen Begrenzungswand (13) eine Druckfeder (17) angeordnet ist, und die Druckfeder (17) ständig eine Druckkraft auf den Stab in Richtung des Ventilsitzes ausübt, und wobei die Unterlegscheibe (16) weiter mit Rillen versehen ist, die mit Rippen zusdmmenwirken, die an der Innenwand der Hülse vorgesehen sind und sich relativ zu der Richtung der Zentralachse des Stabes und der Hülse geneigt erstrecken, um dem Stab und dem Ventilkörper eine Drehbewegung beizubringen, wenn der Stab in Axialrichtung innerhalb der Hülse bewegt wird.
EP89900362A 1987-12-21 1988-12-20 Auspuffventil Expired - Lifetime EP0393111B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8705084 1987-12-21
SE8705084A SE459600B (sv) 1987-12-21 1987-12-21 Anordning vid avgasventiler

Publications (2)

Publication Number Publication Date
EP0393111A1 EP0393111A1 (de) 1990-10-24
EP0393111B1 true EP0393111B1 (de) 1992-03-25

Family

ID=20370659

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89900362A Expired - Lifetime EP0393111B1 (de) 1987-12-21 1988-12-20 Auspuffventil

Country Status (6)

Country Link
EP (1) EP0393111B1 (de)
AU (1) AU624348B2 (de)
DE (1) DE3869622D1 (de)
ES (1) ES2016430A6 (de)
SE (1) SE459600B (de)
WO (1) WO1989005901A1 (de)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0226157A2 (de) * 1985-12-12 1987-06-24 Tetra Dev-Co Ventil

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1960702A1 (de) * 1969-11-28 1971-06-03 Fritz Barthel Armaturen Auspuffrohr-Ventil fuer Schiffsmotorantriebe,insbesondere fuer Unterwasserfahrzeuge
FI67606C (fi) * 1980-08-08 1985-04-10 Maerkisches Werk Gmbh Ventilvridningsanordning

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0226157A2 (de) * 1985-12-12 1987-06-24 Tetra Dev-Co Ventil

Also Published As

Publication number Publication date
SE8705084L (sv) 1989-06-22
EP0393111A1 (de) 1990-10-24
AU624348B2 (en) 1992-06-11
AU2791589A (en) 1989-07-19
SE8705084D0 (sv) 1987-12-21
ES2016430A6 (es) 1990-11-01
DE3869622D1 (de) 1992-04-30
WO1989005901A1 (en) 1989-06-29
SE459600B (sv) 1989-07-17

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