WINDSHIELD LIQUID WASH HEATER
First Claim
Patent Images
1. A liquid wash heater for attachment to an engine exhaust system to heat liquid wash to clean a windshield, wherein said liquid wash heater comprises:
- a housing with a cavity located therein; and
a serpentine liquid wash tube at least partially contained within said cavity, wherein said serpentine liquid wash tube has an inlet and an outlet.
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Accused Products
Abstract
For inclusion on the line between the liquid wash supply and the discharge jets of a vehicle windshield liquid wash pumping system, a liquid wash heater secured on an engine manifold or exhaust pipe, comprising a housing with a thin-walled, relatively small diameter, non-linear liquid wash tube contained therein.
18 Citations
20 Claims
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1. A liquid wash heater for attachment to an engine exhaust system to heat liquid wash to clean a windshield, wherein said liquid wash heater comprises:
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a housing with a cavity located therein; and
a serpentine liquid wash tube at least partially contained within said cavity, wherein said serpentine liquid wash tube has an inlet and an outlet. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A liquid wash heater for attachment to an engine exhaust system to heat liquid wash to clean a windshield, wherein said liquid wash heater comprises:
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a housing with a cavity contained therein;
a curvilinear liquid wash tube at least partially contained within said cavity, wherein said curvilinear liquid wash tube has an inlet and an outlet; and
a filler material at least partially encompassing said curvilinear liquid wash tube within said housing. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A liquid wash heater for attachment to an engine exhaust system to heat liquid wash to clean a windshield, wherein said liquid wash heater comprises:
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a housing;
a nonlinear liquid wash tube at least partially contained within said housing, wherein said nonlinear liquid wash tube has an inlet and an outlet; and
a filler material at least partially encompassing said nonlinear liquid wash tube within said housing. - View Dependent Claims (15, 16, 17)
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18. A liquid wash heater for attachment to an engine exhaust system to heat liquid wash to clean a windshield, wherein said liquid wash heater comprises:
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a housing; and
a flexible liquid wash tube at least partially contained within said housing, wherein said flexible liquid wash tube has an inlet and an outlet. - View Dependent Claims (19, 20)
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Specification