Patent · US Active

Pellet heater

US11655982B2 · kind B2 · utility

0Cited by
1References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 6, 2022
Grant dateMay 23, 2023
Priority date
Expiry dateMay 6, 2042

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF24B7/025
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A solid pellet fueled heater having a base unit with forced air blowers and a dual tube chimney structure is disclosed. The dual tube chimney structure may be used to warm incoming air for distribution around the heater. The pellet heater may also include a dual auger system and multi/high speed auger motor. The dual auger may include first and second auger blades mounted on a single auger shaft having blade pitches configured to convey solid fuel in opposite directions.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.