Patent · US Expired

Piggyback type blower unit

US4658778A · kind A · utility

25Cited by
5References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 10, 1985
Grant dateApr 21, 1987
Priority date
Expiry dateOct 10, 2005

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16M3/00
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

There is provided a piggyback type blower unit. The blower unit comprises a piggyback frame, a fan case incorporating a fan, a powder tank arranged on top of the fan case, a fuel tank arranged behind said fan case, and an engine fixed behind the fan case and on top of the fuel tank. The piggyback frame comprises hollow frame members and is connected to the suction side of the engine to form a suction path for sucking and supplying air for the engine through the suction path, or connected to the suction side of the fan to form a suction path for sucking and supplying air for the fan through the suction path. An air cleaner is inserted within the hollow piggyback frame on the suction path communicating with the suction side of the engine.

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