Nozzle of gas cutting torch
US4014469A · kind A · utility
86Cited by
5References
4Claims
0Family size
Inventor
Key dates
| Filing date | Nov 17, 1975 |
| Grant date | Mar 29, 1977 |
| Priority date | — |
| Expiry date | Nov 17, 1995 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23D14/54
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A nozzle of a gas cutting torch includes an inner central passage for a cutting oxygen, and an outer annular passage for a preheating gas provided about the inner passage. A helical groove is provided in the outer passage so as to cause the swirling motion of the preheating gas passing along the outer passage. Another helical groove may be provided in the inner passsage for the cutting oxygen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.