Dennis Held resumes & CV records
Resumes
Dennis Held
Dennis Held79 Center St, East Aurora, NY 14052
Dennis Held Phones & Addresses
79 Center St, East Aurora, NY 14052 716-6523829 716-6529552 585-6523529
Mentions for Dennis Held
Publications & IP owners
Us Patents
Method For Making Brazed Heat Exchanger And Apparatus
US Patent:
2004025, Dec 16, 2004
Filed:
May 30, 2003
Appl. No.:
10/449173
Inventors:
Patrick O'Neill - Williamsville NY, US
Dennis Held - East Aurora NY, US
Thomas Godry - Kenmore NY, US
Dennis Held - East Aurora NY, US
Thomas Godry - Kenmore NY, US
International Classification:
F28F003/00
US Classification:
165/166000
Abstract:
A heat exchanger has a boiling passage and a cooling passage defined by opposite sides of metal walls. Layers of brazing material between the metal walls and a spacer member bond components of the heat exchanger together. An enhanced boiling layer (EBL) having metal particles bonded to each other and to a boiling side of the metal wall provides nucleate boiling pores to improve heat transfer. The EBL has a melting temperature that is higher than the melting temperature of the brazing material.
Method For Making Brazed Heat Exchanger And Apparatus
US Patent:
2008004, Feb 21, 2008
Filed:
Jun 29, 2007
Appl. No.:
11/824263
Inventors:
Patrick O'Neill - Williamsville NY, US
Dennis Held - East Aurora NY, US
Thomas Godry - Kenmore NY, US
Dennis Held - East Aurora NY, US
Thomas Godry - Kenmore NY, US
International Classification:
F28F 3/00
B21D 53/02
B21D 53/02
US Classification:
165166000, 029890030
Abstract:
Disclosed is a heat exchanger comprising a boiling passage and cooling passage defined by opposite sides of metal walls. Layers of brazing material between the metal walls and a spacer member bond components of the heat exchanger together. An enhanced boiling layer (EBL) comprising metal particles bonded to each other and to a boiling side of the metal wall provides nucleate boiling pores to improve heat transfer. The EBL has a melting temperature that is higher than the melting temperature of the brazing material. Also disclosed is a process for assembling the heat exchanger.
Methods Of Manufacturing Brazed Aluminum Heat Exchangers
US Patent:
2009032, Dec 31, 2009
Filed:
Jun 30, 2008
Appl. No.:
12/164747
Inventors:
Patrick S. O'Neill - Williamsville NY, US
Thomas J. Godry - Kenmore NY, US
Dennis P. Held - East Aurora NY, US
Thomas J. Godry - Kenmore NY, US
Dennis P. Held - East Aurora NY, US
International Classification:
B23P 15/26
US Classification:
29890046
Abstract:
Methods for manufacturing brazed aluminum heat exchangers involved in boiling and condensing, including a high performance nucleate boiling surface bonded with the walls of fin-less boiling passages. One method includes providing a first heat exchanger core subassembly including a first joinable end, at least one cooling and one boiling passage, and a first partial finless passage arranged at the joinable end. A second heat exchanger core subassembly is provided similar to the first including a second joinable end. The first and second heat exchanger core subassemblies are brazed. The first joinable end is affixed, preferably by welding, to the second joinable end and the first partial finless passage is affixed to a second partial finless passage to form a coupled finless passage, and thereby a heat exchanger core.
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