Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
July 9, 2019
Patent Application Number
15809369
Date Filed
November 10, 2017
Patent Citations Received
Patent Primary Examiner
Patent abstract
A dual seated by-pass valve is provided for a surface heat exchanger. The valve provides a power element and at least two seats and two poppets which are spring biased and responsive to movement of the power element to open and close pathways to core cooling channels and de-congealing channels.
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