Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Cleaning or foaming ability
Patent
1982-05-24
1984-09-25
Goldberg, Gerald
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Cleaning or foaming ability
G01N 1114
Patent
active
044729634
ABSTRACT:
A cold cranking system for measuring the viscosity of lubricating oils is disclosed. The system includes a viscometer having means for cooling a sample of the oils to a desired temperature for the viscosity measurement. A constant temperature cold bath source is provided for cooling the sample to the desired temperature, where the temperature of the cold bath is controlled to a constant predetermined temperature differential below the desired temperature for the sample. A separate heating bath of hot coolants is also provided to heat the sample after measurement to reduce the sample's viscosity to permit the rapid and complete removal of the sample from the viscometer during introduction of the next sample into the viscometer. A sample supply system is also included for supplying the samples to be measured.
REFERENCES:
patent: 2074174 (1937-03-01), Goodier
patent: 2812656 (1957-11-01), Merrill
patent: 3350922 (1967-11-01), Kim et al.
patent: 3435666 (1969-04-01), Fann
patent: 3935726 (1976-02-01), Heinz
patent: 4062225 (1977-12-01), Murphy, Jr. et al.
Gyer John F.
Mosher Donald K.
Gilman M. G.
Goldberg Gerald
McKillop A. J.
Mobil Oil Corporation
Powers, Jr. J. F.
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