Grate assembly for a boiler
US4002148A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 7, 1975 |
| Grant date | Jan 11, 1977 |
| Priority date | — |
| Expiry date | Apr 7, 1995 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24H9/1845
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A grate assembly for a shell boiler comprising a fire bed supporting means including a first apertured support member and a second support member mounted for mutual relative movement between a first position in which the apertures in the first member are obturated by the second member and a second position in which the apertures are not obturated and drive means for causing relative movement between the first and second positions at a speed to permit passage of ash through the apertures whilst continuing to support the fire bed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.