F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
251/29
F16K 1/226 (2006.01)
Patent
CA 1171052
A b s t r a c t A sealing device for valves comprises two co-acting sealing surfaces, one of which is arranged facing out- wards on a valve body which is pivotally mounted in the valve housing, and the other forming an inwards-facing surface on the seat arranged in the valve housing. When the valve is closed the two sealing surfaces are pressed against each other with a wedge-wise engagement along an engagement line or engagement zone. According to the invention at least one of the sealing surfaces is formed as a segment (S) of a toroidal figure (T) which is defined by a convex or concave curved line (G) which is rotated as a generatrix around an axis of rotation (R), out of which figure the segment is cut so that a plane (A) through the sealing surface, along which the engagement line or engagement zone is located when the valve is closed, is inclined relative to the axis of rotation (R) and is bounded in each and every direction from the latter by the curved line (Figure 1).
401626
Marks & Clerk
Saab-Scania Aktiebolag
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