F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 17/19 (2006.01) F16K 17/18 (2006.01)
Patent
CA 2582631
A breather valve comprises a valve body having a valve fluid passageway terminating in a valve seat. The valve body includes a pressure pallet guide and the valve seat has double lips. A pressure pallet having a size commensurate with the valve seat is mounted on the pressure pallet guide for limited motion towards and away from the valve seat. The pressure pallet has a sealing side oriented to face the valve seat. A flexible diaphragm extending inside the valve seat is secured to the sealing side of the pressure pallet outside the valve seat. A gap lies between the double lips of the valve seat. A liquid source is in fluid communication with the gap lying between the double lips of the valve seat. A liquid seal provides protection against freezing, gumming and leaking of the seal.
Lambert Anthony R.
Rajewski Robert C.
LandOfFree
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