Exhaust cooling system for vehicles
Patent 6141958 Issued on November 7, 2000. Estimated Expiration Date: 
December 31, 2018. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 31, 2018. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesInventorApplicationNo. 224171 filed on 12/31/1998US Classes:60/272, INTERNAL COMBUSTION ENGINE WITH TREATMENT OR HANDLING OF EXHAUST GAS60/302, Catalyst in engine manifold or at exhaust port60/312, Pulsed, timed, tuned or resonating exhaust60/313, Correlated exhausts from plural cylinders60/320, Exhaust gas or exhaust system element heated, cooled, or used as a heat source60/322, Having vibration attenuating, or expansion and contraction relieving structure60/324, Divider, collector, valve means, or boundary layer device controlling exhaust gas flow138/177, STRUCTURE180/309, With means for handling motor exhaust181/239, Outlets181/254, Valve controlled285/179, ELBOW285/192, Penetrating (e.g., secant)285/194, Hole edge clamp285/905DIFFERENT COEFFICIENTS OF EXPANSIONExaminersPrimary: Denion, ThomasAssistant: Trieu, Thai-Ba Attorney, Agent or FirmForeign Patent References
International ClassF01N 001/00AbstractAn exhaust gas cooling system for a vehicle includes a cooling fin system retrofit and a side exhaust pipe retrofit having an exhaust gas exit pipe having a first portion having a plurality of mixing portions which are either bends or internal mixing fins configured to mix vehicle exhaust gas, but not to restrict exhaust gas flow, a second portion fastened to the first portion and a chrome coated third portion fastened to the second portion and extending along the side of the vehicle. The cooling fin system retrofit includes an adjustable clamp and one or more cooling fins, each cooling fin having a base having a pair of upstanding arms, with one arm of the pair having a lip for engaging an arm of another cooling fin. An exhaust gas cooling system kit, a side exhaust pipe retrofit kit, a cooling fin kit are included.Field of SearchINTERNAL COMBUSTION ENGINE WITH TREATMENT OR HANDLING OF EXHAUST GASExhaust gas or exhaust system element heated, cooled, or used as a heat source Divider, collector, valve means, or boundary layer device controlling exhaust gas flow Pulsed, timed, tuned or resonating exhaust Having vibration attenuating, or expansion and contraction relieving structure Correlated exhausts from plural cylinders Catalyst in engine manifold or at exhaust port STRUCTURE With means for handling motor exhaust Penetrating (e.g., secant) Hole edge clamp Valve controlled Outlets | |
