Heat exchanger
US4858686A · kind A · utility
20Cited by
17References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 7, 1988 |
| Grant date | Aug 22, 1989 |
| Priority date | — |
| Expiry date | Mar 7, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S165/493
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A new and improved automotive heat exchanger and a method of assembling tubes in a header of a heat exchanger comprising, shaping the ends of non-circular cross section tubes into a substantially circular cross section, forming collared openings of substantially circular cross section in a header wall, inserting the tube ends into the openings, welding and bonding the tubes to the header wall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.