|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||060/295; 060/283; 060/286; 060/303; 222/478; 222/482; 137/043; 137/588; 137/840|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 0 인용 특허 : 6|
A breather device A1 for pressure relief includes a breather pipe 121 serving as a fixing part, and an inner pipe 122 serving as a communication part and is provided by the breather pipe 121 with fixation strength enough for securing the breather device A1 to a liquid tank 101. The inner pipe 122 has a vent hole P formed therein for provide fluid-communication between the inside of the liquid tank 101 and the outside thereof in a manner such that an inner surface forming the vent hole P is made of a resin.
1. A breather device configured to be disposed in a liquid tank for storing urea aqueous solution, comprising: a fixing part configured to provide the breather device with fixation strength enough for securing the breather device to the liquid tank, wherein the fixing part is formed by joining a plate of stainless steel material into a cylindrical shape with a hollow extending therethrough in an axial direction; anda breather tube comprising a communication part joined to the fixing part, the communication part configured to form therein a vent hole for ...