Title:
GLOW PLUG WITH IMPROVED SEAL, HEATER PROBE ASSEMBLY THEREFOR AND METHOD OF CONSTRUCTION THEREOF
Document Type and Number:
WIPO Patent Application WO/2010/048372
Kind Code:
A3
Abstract:
A heater probe assembly, a metallic glow plug assembly therewith and method of constructing the heater probe assembly is provided. The metallic glow plug assembly includes a metal shell having a through bore and a metal sheath extending between a distal end and a terminal end. The terminal end of the metal sheath is fixed in the through bore of the shell. Further, an electrode is provided having an end with a heating element attached to thereto. The heating element and end of the electrode are received in the sheath. A packing powder is disposed in the sheath about the heating element. Further, a ceramic seal has an outer surface attached to the sheath by a braze joint and an inner surface attached to the electrode by a braze joint. The ceramic seal provides a hermetic seal between the packing powder and an environment external to the sheath.
Inventors:
WALKERT WILLIAM J JR (US)
Application Number:
PCT/US2009/061619
Publication Date:
July 22, 2010
Filing Date:
October 22, 2009
Export Citation:
Assignee:
FEDERAL MOGUL IGNITION CO (US)
WALKERT WILLIAM J JR (US)
WALKERT WILLIAM J JR (US)
International Classes:
F23Q7/22; F02P19/00; F02P19/02
Foreign References:
| US20020190049A1 | 2002-12-19 | |||
| EP0365258A1 | 1990-04-25 | |||
| EP0785396A1 | 1997-07-23 | |||
| EP0336625A2 | 1989-10-11 |
Other References:
See also references of EP 2338001A4
Attorney, Agent or Firm:
STEARNS, Robert, L. et al. (38525 Woodward Avenue Suite 200, Bloomfield Hills MI, US)
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