Victor John Dervin
Engineers in Cupertino, CA

License number
Utah 346127-2202
Issued Date
Sep 24, 1997
Expiration Date
Dec 31, 2004
Category
Engineer/Land Surveyor
Type
Professional Engineer
Address
Address
Cupertino, CA

Professional information

Victor Dervin Photo 1

Moisture Remover For Produce

US Patent:
4145820, Mar 27, 1979
Filed:
Aug 10, 1977
Appl. No.:
5/823393
Inventors:
Gustav J. Fehlhaber - Burlingame CA
Victor J. Dervin - Cupertino CA
Assignee:
NPI Corporation - Burlingame CA
International Classification:
F26B 2106
US Classification:
34 75
Abstract:
A moisture remover for produce is preferably installed in an enclosure within which a produce support such as a foraminous conveyor is installed. A fan takes heated air from a heater and discharges the heated air upwardly through the conveyor and then through the produce itself. Air leaving the produce returns to the air heater for reheating and recirculation by the fan. Moisture from the produce rises and travels to a cooler within the enclosure and condenses on the cooler. There is no air circulation through the cooler. Moisture condensed on the cooler is drained from the cooler and preferably is discharged outside the enclosure and is not reevaporated into the recirculating heated air.


Victor Dervin Photo 2

Method Of And Apparatus For Carcass Cooling

US Patent:
4028774, Jun 14, 1977
Filed:
Jul 2, 1976
Appl. No.:
5/702353
Inventors:
John H. Allan - Stockton CA
Jerrold L. Ball - Stockton CA
Charles B. Dull - Stockton CA
Leo A. Gabriel - Stockton CA
Richard E. Curtis - Foster City CA
Victor J. Dervin - Cupertino CA
Assignee:
James Allan & Sons, Inc. - Stockton CA
NPI Corporation - Burlingame CA
International Classification:
A22B 500
US Classification:
17 24
Abstract:
An enclosure is divided by partitions to define a narrow sinuous passageway for the passage of carcasses from an inlet to an outlet. The sinuous passageway defines adjacent aisle portions and a blower directs refrigerated air downwardly over the carcasses in one of the aisle portions. The air passes under the dividing partition into the adjacent aisle portion and the blower draws it upwardly over the carcasses in that adjacent aisle portion to rapidly freeze a crust on the carcasses during their passage from the inlet to the outlet. The method of the invention is the blowing of cold air over a carcass in one vertical direction then over the same carcass in the opposite vertical direction.


Victor Dervin Photo 3

Produce Cooler

US Patent:
4123917, Nov 7, 1978
Filed:
Aug 10, 1977
Appl. No.:
5/823394
Inventors:
Richard E. Curtis - Pleasanton CA
Robert H. Dench - Monte Sereno CA
Victor J. Dervin - Cupertino CA
Assignee:
NPI Corporation - Burlingame CA
International Classification:
F25D 1704, F26B 700
US Classification:
62309
Abstract:
A produce cooler is for use with produce disposed in an enclosure. A vertically extending cooling compartment is located adjacent the enclosure. Within the cooling compartment is a horizontally extending heat exchanger substantially above the bottom of the compartment and well below the top thereof. A demister also extends across the cooling compartment below the top of it and sufficiently above the heat exchanger to leave an intervening chamber. There is a plenum between the produce enclosure and the cooling compartment in communication with produce in the compartment and in communication with the cooling compartment. A fan circulates air from the produce in the compartment through the plenum and into the bottom of the cooling compartment so that the air is made to rise upwardly therethrough and return from the top thereof to the produce in the cooling compartment. The heat exchanger comprises a series of superposed, generally horizontal plates of expanded metal held apart by spacers and subject to a cold water spray from spray nozzles. The spray falls through the heat exchanger and onto the floor of the cooling compartment, from which the water discharges into a sump and flows over a cooling coil, thus having its temperature reduced.


Victor Dervin Photo 4

Air Handler

US Patent:
4044078, Aug 23, 1977
Filed:
Feb 9, 1976
Appl. No.:
5/656121
Inventors:
Richard E. Curtis - Pleasanton CA
Robert H. Dench - Monte Sereno CA
Victor J. Dervin - Cupertino CA
Assignee:
N.P.I. Corporation - Burlingame CA
International Classification:
B01F 304
US Classification:
261 30
Abstract:
An air handler especially for use with a produce storage room has a housing with an air inlet near the bottom and an air outlet near the top. A fan or blower supplies air above atmospheric pressure to the inlet for flow through the housing and discharge from the top thereof and through a duct leading to the storage room. Adjacent the housing there is a water cooler, usually operated in a refrigerator circuit, into which water is introduced from a collector near the bottom of the housing and from which the cooled water is discharged into a distributor in the housing near the top thereof. The distributor, preferably a number of sprays, discharges the cooled water to fall over and through a water and air baffle unit within the housing between the inlet and the outlet thereof and into the collector. The water and air baffle unit has a plurality of expanded metal plates, conveniently of aluminum, extending substantially horizontally across the interior of the housing between the distributor and the collector, with the metal plates vertically separated and supported to provide intervening, cross spaces for air and water flow.


Victor Dervin Photo 5

Produce Warmer

US Patent:
4042017, Aug 16, 1977
Filed:
Oct 29, 1975
Appl. No.:
5/626663
Inventors:
Robert H. Dench - Monte Sereno CA
Victor J. Dervin - Cupertino CA
Assignee:
Mobile Product Services, Inc. - Burlingame CA
International Classification:
F25B 2900
US Classification:
165 63
Abstract:
A produce warmer for raising the temperature of cold produce taken from a cold environment and about to be processed includes a refrigerant circuit in which an evaporative cooler and a heat exchanger are arranged in series for circulation of a refrigerant between them. The direction is such that heat is taken from the heat exchanger and is transferred to the evaporative cooler. There is a first housing for warm produce to be cooled, and this housing is included in a secondary water circuit also inclusive of the heat exchanger. The water in the secondary circuit is circulated in a direction to pick up heat from the produce and to transfer such heat to the heat exchanger. Following this the returning cool water is sprayed over the warm produce in the first housing and is recirculated. Should there be no warm produce for the first housing, an alternative supply of heat is afforded by a fan introducing warm air to the first housing. A tertiary water circuit includes a second housing for produce to be warmed and also includes the evaporative cooler.