David C Sweet

US Patent:

20140071216, Mar 13, 2014

Filed:

Apr 19, 2013

Appl. No.:

13/866665

Inventors:

Jin Hu - Hudson OH, US
David B. Sweet - Canal Fulton OH, US

Assignee:

GOODRICH CORPORATION - Charlotte NC

International Classification:

B41J 11/00

US Classification:

347102

Abstract:

A heating element is provided with a conductive path pattern which can be printed in a mask-free manner (e.g., drop-on-demand) with existing printing technology. The printing step can be performed, for example, with a thermal inkjet printer, a piezoelectric inkjet printer, an aerosol jet printer, or an ultrasound printer. The ink solution can be formulated so that it establishes an electrically conductive path which is free of polymer binders.

US Patent:

44249470, Jan 10, 1984

Filed:

Jul 2, 1981

Appl. No.:

6/279884

Inventors:

Lowell J. Adams - Tallmadge OH
David B. Sweet - Hartville OH

Assignee:

The B. F. Goodrich Company - New York NY

International Classification:

B64D 1512

US Classification:

244134D

Abstract:

A device (10) for isolating from vibrational and impulse loads a power transfer unit (14) that transfers power from a helicopter electrical system to a plurality of deicing segments on the rotor blades includes a distributor (13) rotating with the rotor blades for distributing power from the power transfer unit (14) to the deicing segments, a housing (11) having an upper cylinder (24) and lower cylinder (23) the latter of which is flexibly secured to the helicopter as by a joint including ball (40), housing 11 substantially isolating the power transfer unit (14) from such loads, and a shaft (12) rotatably engaging the upper cylinder (24) for carrying the distributor (13) in rotation with the rotor blades.