F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 1/22 (2006.01) F16K 1/24 (2006.01)
Patent
CA 2120483
A butterfly valve comprises: an elongate valve body (1) having a flange (2) at one end, a valve plate (a), operable between an open and closed position, forming a seal with the said flange (2) in the closed position, and a valve plate support structure in- cluding: a location cam (14) scated within an abutment plate housing (10), and operable to effect movement of the valve plate (4); a shaft (5), operable to effect movement of the cam by rotational movement of the shaft: and an abutment plate (12), formed with- in the abatment plate housing (10); wherein rotational movement of the said shaft (5) will result in independent rotational move- ment and linear movement of the said location cam (14) within the abutment pinte housing (10) and operable to effect independ- ent rotational movement and linear movement of the valve plate (4).
Chapman John Edward
Sim & Mcburney
LandOfFree
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