ANGLE COCK Russian patent published in 2009 - IPC B60T17/04 F16K5/04 F16K5/02 

FIELD: transportation.

SUBSTANCE: angle cock has hollow body comprising two split parts. One of split parts is installed into bend of manifold air duct, and the second split part is tightly fixed to it. The second split part comprises ground-in lock pressed by elastic element, with through channel, one of the holes in which is located on surface of lock base and is continuously communicated to manifold air duct, the second hole is located on ground-in surface of lock. Atmospheric channel is also located on ground-in surface, and one of its holes is located on side of lock ground-in surface, which is opposite relative to the second hole of through channel. Ground-in part of lock is arranged in the form of solid of revolution from conical to semispherical shape, including the latter. Elastic element that presses lock is installed in bore of fixed body part at the inlet to body.

EFFECT: reduced dimensions of angle cock, increased repairability and reliability due to improved tightness achieved by increase of area of lock ground-in surface.

2 cl, 2 dwg