EP0393111A1 - Soupape d'echappement. - Google Patents

Soupape d'echappement.

Info

Publication number
EP0393111A1
EP0393111A1 EP89900362A EP89900362A EP0393111A1 EP 0393111 A1 EP0393111 A1 EP 0393111A1 EP 89900362 A EP89900362 A EP 89900362A EP 89900362 A EP89900362 A EP 89900362A EP 0393111 A1 EP0393111 A1 EP 0393111A1
Authority
EP
European Patent Office
Prior art keywords
valve
rod
valve seat
valve element
sleeve
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.)
Granted
Application number
EP89900362A
Other languages
German (de)
English (en)
Other versions
EP0393111B1 (fr
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 Marine 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 Marine AB filed Critical Kockums Marine AB
Publication of EP0393111A1 publication Critical patent/EP0393111A1/fr
Application granted granted Critical
Publication of EP0393111B1 publication Critical patent/EP0393111B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • F01N13/12—Exhaust or silencing apparatus characterised by constructional features 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
    • 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 en- gine of a submarine.
  • One object of the present invention is to pro- vide an exhaust valve of the kind mentioned initial ⁇ ly, 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 re- lative 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 re ⁇ spect to its design and which without difficulty may be included into the supporting device used for mov ⁇ ing the valve element into and out of engagement with the valve seat.
  • - fig 1 is a longitudinal section through an ex ⁇ haust valve in accordance with the invention
  • - fig 2 is a section taken as indicated by I - I in fig 1.
  • 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 co ⁇ operating 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 ter ⁇ minates outside the valve housing. At least one end of said shaft 7 is connected to hydraulic, pneu ⁇ matic, 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. Inside the valve housing 1 the shaft 7 is rigidly connected with a hub 8 from which an arm 9 extends in the direction towards the valve seat.
  • a preferably cylindrical sleeve 10 of annular cross section Supported at the free end of arm 9 is a preferably cylindrical sleeve 10 of annular cross section, said sleeve ex ⁇ tending 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 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
  • valve disk 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 Dis ⁇ posed 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 pro ⁇ vided with grooves, which cooperate with a cor ⁇ responding number of rims 19 which are rigidly con ⁇ nected 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 re ⁇ spect 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 im ⁇ parted to rod 11 by means of washer 16. As mentioned previsously the rotational movement is transmitted to the valve disk 4. Axial displacement of rod 11 thus imparts a rotational movement to the valve disk corresponding to the rotational movement of rod 11.
  • the arm 9 When opening the valve, which is shown in its closed position in fig 1, the arm 9 is made to swing counter-clockwise by rotating shaft 7 counter clock ⁇ wise.
  • valve disk 5 During the first sequence of said swinging movement the valve disk 5 will remain in contact with the seat 4 under the influence of the force of the conpression spring 17, due to the fact that spring 17 expands. Due to this rod 11 is displaced axially with respect to the sleeve, a rotational movement at the same time being imparted to rod 11 via rims 19 and washer 16. This rotational movement is transmitted to the valve disk which thus is caus ⁇ ed to carry out a corresponding rotational movement. During this rotational movement the valve disk is still urged by pressure force towards the valve seat under the influence of the force exerted by the spring.
  • 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)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Taps Or Cocks (AREA)
  • Valve Device For Special Equipments (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Exhaust-Gas Circulating Devices (AREA)

Abstract

Soupape d'échappement comprenant un logement de soupape (1) dans lequel est formé un siège de soupape (4), ainsi qu'un élément de soupape (5) supporté par un moyen de support mobile (6) afin de déplacer l'élément de soupape (5) en contact d'étanchéité et inversement avec le siège de soupape (4). Ledit élément de soupape (5) est supporté pour effectuer un mouvement le long d'un axe et pour tourner autour dudit axe par rapport audit moyen de support (6), entre deux positions terminales et à l'aide d'un moyen déformable (10, 11), afin de transmettre à l'élément de soupape (5) un mouvement de rotation autour dudit axe, simultanément avec son mouvement le long dudit axe, de manière à transmettre à l'élément de soupape (5) lorsqu'il est en contact avec ledit siège de soupape (4), un mouvement rotatif par rapport audit siège de soupape (4), après que ledit élément de soupape (5) ait été mis en contact avec ledit siège de soupape (4) et avant qu'il n'en ait été levé.
EP89900362A 1987-12-21 1988-12-20 Soupape d'echappement Expired - Lifetime EP0393111B1 (fr)

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 true EP0393111A1 (fr) 1990-10-24
EP0393111B1 EP0393111B1 (fr) 1992-03-25

Family

ID=20370659

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89900362A Expired - Lifetime EP0393111B1 (fr) 1987-12-21 1988-12-20 Soupape d'echappement

Country Status (6)

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

Family Cites Families (3)

* 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
CH655359A5 (de) * 1980-08-08 1986-04-15 Maerkisches Werk Gmbh Ventildrehvorrichtung an einer brennkraftmaschine.
IT1186428B (it) * 1985-12-12 1987-11-26 Tetra Dev Co Valvola per controllo e intercettazione di flussi,contenenti particelle

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8905901A1 *

Also Published As

Publication number Publication date
SE8705084L (sv) 1989-06-22
EP0393111B1 (fr) 1992-03-25
ES2016430A6 (es) 1990-11-01
SE459600B (sv) 1989-07-17
SE8705084D0 (sv) 1987-12-21
WO1989005901A1 (fr) 1989-06-29
DE3869622D1 (de) 1992-04-30
AU2791589A (en) 1989-07-19
AU624348B2 (en) 1992-06-11

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