Plural Firebox Patents (Class 122/330)
  • Image forming apparatus, and fixing device for use with the same
    Patent number: 6574449
    Abstract: A fixing device includes a pressure application roller 120 pressed against a fixing belt 110 (or fixing roller) to be heated. One of the them is driven while the other follows the one in rotation. A recording medium S having a toner image thereon is moved to pass through a central part N1 of a press contact portion N, whereby the toner image is fused and fixed on the recording medium. High grip portions G are provided on both side ends of the fixing belt or the pressure application roller.
    Type: Grant
    Filed: September 12, 2002
    Date of Patent: June 3, 2003
    Assignee: Seiko Epson Corporation
    Inventors: Kaneo Yoda, Takao Kagami, Kazutoshi Fujisawa, Hiroshi Tanaka, Kenjiro Yoshioka, Naoyuki Okumura, Shuhei Mori, Yoshiyuki Takeda
  • Twin furnace industrial boiler
    Patent number: 4013045
    Abstract: A coal fired steam generating boiler of high thermal capacity that is shop assembled and transported as a complete unit for installation at a given site. The boiler includes a pulverized coal burner at opposite ends thereof and an intermediate tube bank section that is adapted to increase the capacity of the shop assembled unit. Alternatively, the arrangement may be used with oil or gas fired burners at opposite ends thereof to achieve a maximum capacity in a minimum of space.
    Type: Grant
    Filed: April 28, 1976
    Date of Patent: March 22, 1977
    Assignee: The Air Preheater Company, Inc.
    Inventor: William Hunter Pollock