Glow plug for internal combustion engines
US6459072B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 6, 2001 |
| Grant date | Oct 1, 2002 |
| Priority date | — |
| Expiry date | Aug 6, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23Q7/001
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A glow plug for internal-combustion engines, comprising: a metal body (12); a metal sheath (24) having one closed end (26) and one open end (28); a terminal (30) extending through the open end (28) of the sheath (24); a conductive powder (34) set in electrical connection with one end (36) of the terminal (30) and with the sheath (24); and a layer (38) of insulating powder set between the aforesaid conductive powder (34) and the sheath (24) in an area between the closed end (26) of the sheath (24) and the end (36) of the terminal (30).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.