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Title: Dual Durameter Blow Molded Rocker Cover Design With Unique Isolation Strategy

Abstract

The rocker arm cover on a diesel engine can be formed of a rigid molded plastic material to minimize the transmission of noise into the atmosphere. Sonic vibration of the cover can be reduced by reducing the cover material stiffness. The reduced stiffness of the cover material allows the roof area of the cover to be momentarily displaced away from the cylinder head in the presence of an acoustic wave, so that the roof area is not able to develop the restoring force that is necessary for vibrational motion.

Inventors:
 [1]
  1. (Westland, MI)
Issue Date:
Research Org.:
Detroit Diesel Corporation (Detroit, MI)
OSTI Identifier:
879569
Patent Number(s):
6085709
Application Number:
09/224128
Assignee:
Detroit Diesel Corporation
Patent Classifications (CPCs):
F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02F - CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES
F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02B - INTERNAL-COMBUSTION PISTON ENGINES
DOE Contract Number:  
FC05-97OR22606
Resource Type:
Patent
Country of Publication:
United States
Language:
English

Citation Formats

Freese, V, Charles Edwin. Dual Durameter Blow Molded Rocker Cover Design With Unique Isolation Strategy. United States: N. p., 2000. Web.
Freese, V, Charles Edwin. Dual Durameter Blow Molded Rocker Cover Design With Unique Isolation Strategy. United States.
Freese, V, Charles Edwin. Tue . "Dual Durameter Blow Molded Rocker Cover Design With Unique Isolation Strategy". United States. https://www.osti.gov/servlets/purl/879569.
@article{osti_879569,
title = {Dual Durameter Blow Molded Rocker Cover Design With Unique Isolation Strategy},
author = {Freese, V, Charles Edwin},
abstractNote = {The rocker arm cover on a diesel engine can be formed of a rigid molded plastic material to minimize the transmission of noise into the atmosphere. Sonic vibration of the cover can be reduced by reducing the cover material stiffness. The reduced stiffness of the cover material allows the roof area of the cover to be momentarily displaced away from the cylinder head in the presence of an acoustic wave, so that the roof area is not able to develop the restoring force that is necessary for vibrational motion.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2000},
month = {7}
}