Electronic control device for gas dryer

Details Electronic control device for gas dryer Electronic control device for gas dryer

2006-04-25

2006-04-25

Gravini, S. (Department: 3749)

Drying and gas or vapor contact with solids

Process

Gas or vapor contact with treated material

C034S527000

Reexamination Certificate

active

07032325

ABSTRACT:
An electronic device is disclosed for controlling gas flow in a gas dryer such as a twin tower regenerative gas dryer. The device has a housing in which is mounted an electronic control circuit. At least two electrically operated valves (e.g. solenoid valves) for controlling functions of the dryer are provided with plugs or sockets and adapted to co-operate with corresponding sockets or plugs in a wall of the housing electrically connected to the electronic circuit. The valves are mounted on, externally of, the housing and are electrically connected to the control circuit.

REFERENCES:
patent: 4559065 (1985-12-01), Null et al.
patent: 5563585 (1996-10-01), MacDonald
patent: 5983516 (1999-11-01), Trapp et al.
patent: 6050651 (2000-04-01), Thomas
patent: 6128825 (2000-10-01), Cunkelman
patent: 6581297 (2003-06-01), Ginder
patent: 6640463 (2003-11-01), Beck et al.
patent: 2002/0175791 (2002-11-01), LaMarca et al.
British Search Report (Application No. GB0407318.5) dated Jun. 30, 2004.

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