Air assist device of fuel injection type internal combustion engine
US4434766A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 23, 1982 |
| Grant date | Mar 6, 1984 |
| Priority date | — |
| Expiry date | Aug 23, 2002 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M69/08
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
In an air assist device of a fuel injection type internal combustion engine, having an air assisted injector provided close to a nozzle thereof with an adapter constituting an assist air introducing portion, in which assist air introduced into the assist air introducing portion through assist air intake ports formed in the peripheral wall of the adapter is blown out of an assist air jet formed at the bottom of the adapter together with fuel so as to facilitate the atomization of fuel, the diameter of each opening of the assist air intake ports is made smaller than the diameter of an opening of the assist air jet, the assist air intake ports are provided in a plural number, so that the total opening area of the assist air intake ports can be made larger than the opening area of the assist air jet, and/or the assist air intake ports are penetrated in directions tangential to the inner wall surface of the adapter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.