Preheater assembly, a cylinder head, a piston engine, and an aircraft
US9593661B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 8, 2015 |
| Grant date | Mar 14, 2017 |
| Priority date | — |
| Expiry date | Sep 26, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23Q2007/004
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A preheater assembly of a glowplug and a hollow sheath extending longitudinally from a bottom external zone to a top external zone, the sheath extending radially from an inside surface defining a cavity towards an outside surface, the glowplug being inserted in the cavity, the tip projecting from the sheath through the bottom external zone, the inside surface of the sheath presenting a second thread meshing with a first thread of the glowplug, the inside surface of the sheath presenting a first conical seat bearing against the first conical bearing surface of the glowplug, the outside surface of the bottom external zone having a third thread screwed into a cylinder head and a second bearing surface that bears against the second seat of a cylinder head.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.