EGR cooler
US10458371B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 9, 2017 |
| Grant date | Oct 29, 2019 |
| Priority date | — |
| Expiry date | Jun 8, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF28F2001/027
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
An EGR cooler includes a housing having coolant inlet and outlet, through which coolant flows into and out of the housing, and having gas inlet and outlet through which exhaust gas flows into and out of the housing, a plurality of first tubes provided in the housing while one end of each of the first tubes communicates with the gas inlet and the other end thereof communicates with one end of a connection passage, a plurality of second tubes provided in the housing while one end of each of the second tubes communicates with the gas outlet and the other end thereof communicates with the other end of the connection passage, and first and second cooling fins inserted into the respective first and second tubes, wherein the gas inlet has a larger cross-sectional area than the gas outlet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.