Valve stem seal

• Publisher: Elsevier Science
• Year: 2011
• Tongue: English
• Weight: 230 KB
• Volume: 2011
• Category: Article
• ISSN: 1350-4789
• DOI: 10.1016/s1350-4789(11)70073-3

✦ Synopsis

not covered in any detail. This would presumably limit the temperature range of this device. The effect that temperature variations have on the pressure in the hydraulic circuit -when the pressure is locked in -is also not covered. This latter factor could cause very significant pressure variations.

Valve stem seal

Applicant: Aktiebolaget SKF, Sweden This invention relates to a valve stem seal for an internal combustion engine. The seal has a garter spring-loaded oil seal lip and two gas seal lips. A specific feature of this design is the space between the pair of gas-side seal lips.