|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||B65D-045/04 B60K-015/035 B60K-015/04|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 0 인용 특허 : 15|
A fuel cap is described as having a top assembly and a bottom assembly slidably engaged to, and concentric with, the top assembly. The top assembly having a cap cover and a cylindrical cap body concentric with and protruding substantially perpendicular from, an underside surface of the cap cover. The bottom assembly having a vacuum valve operatively coupled with a valve body. A wire-form keeper may slidably secure the bottom assembly to the top assembly. A pressure spring may impart a force that biases said bottom assembly away from said top assembly.
1. A venting apparatus for managing flow through a fill cap base, the venting apparatus comprising: a top assembly, the top assembly having a cap cover and a cylindrical cap body concentric with, and protruding substantially perpendicularly from, an underside surface of the cap cover;a bottom assembly slidably engaged with, and concentric to, the top assembly, the bottom assembly having a vacuum valve operatively coupled with a valve body,wherein the vacuum valve comprises a vacuum base and a vacuum stem perpendicularly positioned on said vacuum base,whe...