US PATENT SUBCLASS 277 / 399
.~.~ Particular sealing face member configuration

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

Internet Version by PATENTEC © 1999      Terms of Use


277 /   HD   SEAL FOR A JOINT OR JUNCTURE

345  DF  SEAL BETWEEN RELATIVELY MOVABLE PARTS (I.E., DYNAMIC SEAL) {10}
358  DF  .~ Relatively rotatable radially extending sealing face member (e.g., face, mechanical, etc.) {9}
399.~.~ Particular sealing face member configuration {4}
400  DF  .~.~.~> Hydrodynamic feature
401  DF  .~.~.~> Fluid passage to the sealing face
402  DF  .~.~.~> Flexible projection (e.g., lip seal, etc.)
403  DF  .~.~.~> Angled or tapered sealing face

DEFINITION

Classification: 277/399

Particular sealing face member configuration:

(under subclass 358) Sealing face member wherein the sealing face member has a specific shape or formation.

SEE OR SEARCH CLASS

418, Rotary Expansible Chamber Devices,

55.4, for a helical working member (e.g., scroll, etc.) having planetary or planetating movement including a seal.