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John Mark Dorrenbacher

from Fort Collins, CO
Age ~72
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Also known as:
John M Dorrenbacher, Jo Dorrenbacher, John H
Phone and address:
1502 Wasp Ct, Fort Collins, CO 80526
(970) 223-5438
Related to:
Jason Dorrenbacher, 38Pamela Dorrenbacher, 44Jan Dorrenbacher, 70Rezak Katofsky
Connected to:
Evelyn M Dorrer, 89Anthony L Dorrian, 61David P Dorrian, 62Eileen M Dorrian, 59Elizabeth A Dorrian, 64Kevin W Dorrian, 58Robert Dorrian, 75Thomas J Dorrian, 82Debbie L Dorrick, 62Gregory A Dorries, 50

John Dorrenbacher Phones & Addresses

  • 1502 Wasp Ct, Fort Collins, CO 80526 (970) 223-5438
  • 1806 Effingham St, Fort Collins, CO 80526 (970) 223-5438
  • 2002 Battlecreek Dr, Fort Collins, CO 80528 (970) 223-5438
  • 6826 Antigua Dr, Fort Collins, CO 80525
  • Laporte, CO

Work

Company: Advanced energy 1999 Position: Member of technical staff

Education

School / High School: Colorado State University 1989 to 1993 Specialities: Engineering, Physics, Electronics

Skills

Testing • Power Supplies • Pcb Design • Power Electronics • Rf • Analog • Analog Circuit Design • R&D • Matlab • Engineering • Test Equipment • Semiconductors • Power Electronics Design • Control Systems Design • Circuit Analysis • Labview • Engineering Management • Failure Analysis

Industries

Electrical/Electronic Manufacturing

Resumes

Resumes

John Dorrenbacher Photo 1

Member Of Technical Staff

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Location:
Fort Collins, CO
Industry:
Electrical/Electronic Manufacturing
Work:
Advanced Energy
Member of Technical Staff
Advanced Energy 1993 - 1999
Electrical Design Engineer
Advanced Energy 1989 - 1993
Engineer Technician, Working As Un-Degreed Engineer
Advanced Energy 1987 - 1989
Engineering Technician
Advanced Energy Oct 1983 - 1987
Production Test Technician
Education:
Colorado State University 1989 - 1993
Skills:
Testing
Power Supplies
Pcb Design
Power Electronics
Rf
Analog
Analog Circuit Design
R&D
Matlab
Engineering
Test Equipment
Semiconductors
Power Electronics Design
Control Systems Design
Circuit Analysis
Labview
Engineering Management
Failure Analysis

Publications

Us Patents

Efficient Active Source Impedance Modification Of A Power Amplifier

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US Patent:
8330432, Dec 11, 2012
Filed:
Dec 22, 2009
Appl. No.:
12/645285
Inventors:
Gideon Van Zyl - Fort Collins CO, US
John Dorrenbacher - Fort Collins CO, US
Assignee:
Advanced Energy Industries, Inc - Fort Collins CO
International Classification:
H02P 9/30
US Classification:
322 36, 322 37
Abstract:
A system, method, and apparatus for stabilizing interactions between an electrical generator and a nonlinear load are described. One illustrative embodiment includes an impedance element that is coupled to an output of the generator and a power source coupled to the impedance element. The power source applies power to, or across, the impedance element so as to reduce energy loss that would ordinarily occur due to energy dissipation by way of the impedance element. In many variations, the power source operates within a defined bandwidth so that a stabilizing effect is achieved outside of this bandwidth.

Frequency Selected, Variable Output Inductor Heater System

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US Patent:
63167549, Nov 13, 2001
Filed:
Apr 28, 2000
Appl. No.:
9/462402
Inventors:
Douglas S. Schatz - Fort Collins CO
John M. Dorrenbacher - Fort Collins CO
Assignee:
Advanced Energy Industries, Inc. - Fort Collins CO
International Classification:
H05B 644
H05B 606
US Classification:
219656
Abstract:
An induction heating systems using a plurality of zones in a coil provides selective heating control for better uniformity especially for semiconductor and other thin film processing applications. By arranging the zones to have different resonance frequencies, the power supply may control the various zones by altering its frequency output. The power supply may also act to control the differential heating by switching among zones in conjunction with the frequency control, by sweeping through a variety of frequencies, by simultaneously providing power over different frequencies, by altering the residence time at each frequency, or by outputting different powers to each frequency or the like. Each zone may thus be tuned as appropriate to achieve the desired induction heating characteristic.

Simplified Voltage-Boosting Snubber Network

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US Patent:
20230064671, Mar 2, 2023
Filed:
Aug 26, 2021
Appl. No.:
17/412813
Inventors:
- Fort Collins CO, US
John Dorrenbacher - Fort Collins CO, US
International Classification:
H02H 9/02
H02J 1/06
Abstract:
This disclosure describes a non-dissipative snubber circuit configured to boost a voltage applied to a load after the load's impedance rises rapidly. The voltage boost can thereby cause more rapid current ramping after a decrease in power delivery to the load which results from the load impedance rise. In particular, the snubber can comprise a combination of a capacitive element, two inductive elements, and three switches, where a duty cycle of two of the three switches controls the voltage boost. The snubber can be arranged between a DC power supply and a switching circuit configured to generate a pulsed waveform for provision to the load.

Additive Synthesis Of Interleaved Switch Mode Power Stages For Minimal Delay In Set Point Tracking

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US Patent:
20200313567, Oct 1, 2020
Filed:
Apr 13, 2020
Appl. No.:
16/847457
Inventors:
- Fort Collins CO, US
John Dorrenbacher - Fort Collins CO, US
International Classification:
H02M 7/497
H02M 1/42
H02M 3/335
Abstract:
An apparatus utilizing additive interleaved switchmode (PWM) power conversion stages, having minimal or no output filter, to achieve high bandwidth or even ideally instantaneous power conversion. The additive process may involve voltage stacking of isolated PWM converters, which are interleaved in time, or may involve a single input power supply and inductively combining output currents of PWM power converters interleaved in time, with either additive circuit having minimal or no output filtering. This circuit may overcome limitations for the frequency of feedback control loops once thought to be physical limitations, such as, fundamental switching frequency, output filter delay and the Nyquist criteria.
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John Mark Dorrenbacher from Fort Collins, CO, age ~72 Get Report