The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 17, 1984
Filed:
Jul. 14, 1982
Richard L Morgan, Utica, MI (US);
David A Pickett, Monroe, MI (US);
Allied Corporation, Morristown, NJ (US);
Abstract
A glow plug controller for diesel engines includes a two-chamber housing, with a low-level control circuit module in a first chamber and a high-level switching means in the form of a relay or contactor in a second chamber, so that the controller can be repaired or modified by replacement of a single module, and heat generated in one chamber has no effect on the other chamber. The controller is adapted for use with positive-temperature-coefficient glow plugs, and includes at least one temperature-actuated switch means and a second relay means, functioning respectively as timer means and lockout means. An overvoltage switch and a wait-lamp switch may also be provided. The low-level control circuit includes a connector insert portion molded into an insulating block, which is severed through apertures in the insulating block to define appropriate circuit elements for mounting series-connected switch means to the circuit elements.