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Class Information
Number: 137/480
Name: Fluid handling > Line condition change responsive valves > Combustion engine induction type > Valve in auxiliary inlet to induction line
Description: Apparatus in which the valve controlled is a second or auxiliary inlet to the line-carrying the suction induced flow.










Patents under this class:

Patent Number Title Of Patent Date Issued
7011103 Vacuum relief assembly for I.C. engine intakes Mar. 14, 2006
6726742 Air cleaner with a secondary intake Apr. 27, 2004
6102017 Automatic valve for the inlet manifold of an internal combustion engine Aug. 15, 2000
4852539 Supplemental air valve for internal combustion engine Aug. 1, 1989
4715351 Supplemental air valve for internal combustion engine Dec. 29, 1987
4702272 Valve device for increasing the fuel economy and reducing the emissions from an internal combustion engine Oct. 27, 1987
4425937 Fluid injection system Jan. 17, 1984
4196709 After burning preventive system for an internal combustion engine Apr. 8, 1980
4194477 Device for admission of secondary air to internal combustion engine intake Mar. 25, 1980
4182297 Heat control system for a two-cycle engine Jan. 8, 1980
4172438 Valve device and system employing same Oct. 30, 1979
4160433 Modulating air control valve Jul. 10, 1979
4098241 Apparatus for preventing after-fire in an internal combustion engine Jul. 4, 1978
4071044 Air monitoring valve for combustion engines Jan. 31, 1978
4055159 Gas saving device Oct. 25, 1977
3999737 Flow control valve for exhaust gas purifying system Dec. 28, 1976
3990420 Air induction valve Nov. 9, 1976
3977372 Carburetor vacuum shutoff control valve Aug. 31, 1976
3967605 Intake vacuum controlled manifold vacuum spoiler Jul. 6, 1976
3949719 Volumetric control valve unit for crankcase ventilation system Apr. 13, 1976











 
 
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