US PATENT SUBCLASS 123 / 90.37-- .~.~ Seals and shields

US PATENT SUBCLASS 123 / 90.37
.~.~ Seals and shields

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999 Terms of Use

123 /	HD	INTERNAL-COMBUSTION ENGINES

90.1	DF	POPPET VALVE OPERATING MECHANISM {19}
90.33	DF	.~ Lubrication {5}
90.37		.~.~ Seals and shields

DEFINITION

Classification: 123/90.37

(under subclass 90.33) Device wherein a lubricant control means is provided to restrict, confine or direct a supply of lubricant for the operating mechanism.

(1) Note. Included herein are valve stem seals or shields which are movable with the operating mechanism.

SEE OR SEARCH THIS CLASS, SUBCLASS:

188.6, for a valve stem seal or shield fixed to the engine

(e.g., fixed to the valve stem guide, etc.).

SEE OR SEARCH CLASS

277, Seal for a Joint or Juncture, for a generic sealing means or process, 500+, for a dynamic, circumferential contact seal for other than a piston, especially subclass 502 for a valve stem seal for an internal combustion engine.