TERRY NELSON
Electrician in Camas Valley, OR

License number
Alaska EADE1227
Issued Date
Apr 16, 1997
Effective Date
Dec 7, 2015
Expiration Date
Dec 31, 2017
Category
Electrical Administrators
Address
Address
PO Box 1, Camas Valley, OR 97416

Professional information

Terry Nelson Photo 1

Underground Cable Installing Apparatus And Method Utilizing A Fluid Jet Assisted, Vibrating Blade Arrangement

US Patent:
4498813, Feb 12, 1985
Filed:
Jun 3, 1981
Appl. No.:
6/269968
Inventors:
Terry L. Nelson - Camas Valley OR
James M. Reichman - Issaquah WA
Assignee:
Electric Power Research Institute, Inc. - Palo Alto CA
International Classification:
E02F 510, F16L 102
US Classification:
405182
Abstract:
An underground cable installing apparatus is disclosed herein along with its method of operation. The apparatus utilizes a power driven land vehicle and an elongated cable laying plow handle supported by and for movement with the vehicle in a way which places a lowermost end portion of the blade in the ground with its cutting edge disposed in the direction of movement of the vehicle. In accordance with one operational feature of the apparatus disclosed herein, a plurality of high impact fluid jets are used to aid the cable laying plow blade in cutting through the earth. In accordance with another feature, the blade is also subjected to vibration, preferably by placing a vibratory member on the in-ground portion of the blade.


Terry Nelson Photo 2

Trailer Hitching Aid And Method Using Reception Delay Of Different Velocity Signals

US Patent:
5191328, Mar 2, 1993
Filed:
Jun 13, 1990
Appl. No.:
7/537172
Inventors:
Terry L. Nelson - Camas Valley OR
International Classification:
B60Q 900, G01S 3808, B60D 100
US Classification:
34087006
Abstract:
A trailer hitching aid includes a dual transmitter mounted on the forward end of a trailer or other vehicle to be towed and arranged to transmit pulses of infrared light and pulses of ultrasonic sound. A towing vehicle mounts on its rear end an infrared light detector and a pair of laterally spaced ultrasonic sound detectors. The detectors are incorporated in an electrical circuit which includes a computer the program of which operates to measure the time difference between the detection of a light burst and the detection of sound bursts. The time differences then are utilizes to calculate the distance from each detector to the transmitter, and the distances and angles between the detectors and transmitter are displayed on the computer screen as visual indications to direct the operator of the towing vehicle to maneuver the vehicle to back it up and bring the hitch components on the vehicles into coupling registry.