Apparatus and method for cleaning or de-icing vehicle elements
2 Assignments
0 Petitions
Accused Products
Abstract
A liquid heating assembly (102) including a heat-conductive displaceable element (250) and a liquid heating enclosure (210, 212) defining a liquid heating volume including a primary liquid (258) heating volume portion and a secondary liquid heating volume portion (254), separated by the heat-conductive displaceable element (250), the primary liquid heating volume portion including a heat exchanger for directly heating liquid in the primary liquid heating volume portion and for indirectly heating liquid in the secondary liquid heating volume portion via the heat-conductive displacement element (250).
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Citations
299 Claims
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1-259. -259. (canceled)
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260. Apparatus for spraying a liquid onto at least one vehicle surface comprising:
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a liquid reservoir;
a vehicle surface liquid heating assembly receiving a liquid from said liquid reservoir, said vehicle surface liquid heating assembly comprising;
a heat-conductive element; and
a liquid heating enclosure defining a liquid heating volume including a primary liquid heating volume portion and a secondary liquid heating volume portion, separated by said heat-conductive element, said primary liquid heating volume portion including a heat exchanger for directly heating liquid in said primary liquid heating volume portion and for indirectly heating liquid in said secondary liquid heating volume portion via said heat-conductive element;
a vehicle surface liquid spraying assembly receiving heated liquid from said vehicle surface liquid heating assembly; and
a heated liquid spray control subassembly employing said vehicle surface liquid heating assembly and said vehicle surface liquid spraying assembly for providing a spray of said heated liquid onto said at least one vehicle surface. - View Dependent Claims (261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278)
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279. Apparatus for spraying a liquid onto at least one vehicle surface comprising:
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a liquid reservoir;
a vehicle surface liquid heating assembly receiving a liquid from said liquid reservoir;
a vehicle surface liquid spraying assembly receiving heated liquid from said vehicle surface liquid heating assembly; and
a heated liquid spray control subassembly employing said vehicle surface liquid heating assembly and said vehicle surface liquid spraying assembly for providing a spray of said heated liquid onto said at least one vehicle surface; and
a normally closed automatically operative valve interconnecting said liquid reservoir to said vehicle surface liquid spraying assembly and being operative, when open, to bypass said liquid heating assembly. - View Dependent Claims (280, 281, 282, 283, 284, 285)
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286. A method for spraying a liquid onto at least one vehicle surface comprising:
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providing a vehicle including said at least one vehicle surface and a liquid reservoir;
supplying said liquid from said liquid reservoir to a vehicle surface liquid heating assembly including a primary liquid heating volume portion and a secondary liquid heating volume portion, separated by a heat-conductive element;
directly heating said liquid in said primary liquid heating volume portion, thereby indirectly heating said liquid in said secondary liquid heating volume portion via said heat-conductive element; and
thereafter spraying said liquid onto said at least one vehicle surface. - View Dependent Claims (287, 288, 289, 290, 291)
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292. A heated liquid discharge system comprising:
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a main assembly which provides liquid heating and includes electrical and liquid flow control functionalities;
a liquid inflow conduit supplying liquid from a liquid reservoir to said main assembly; and
a liquid outflow conduit supplying liquid to at least one sprayer located at at least one location on a motor vehicle, said liquid inflow conduit having connected in series therewith a leaky one-way valve which permits limited backflow of liquid from said main assembly to said reservoir. - View Dependent Claims (293, 294, 295, 296, 297, 298)
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299. Apparatus for spraying a liquid onto at least one vehicle surface comprising:
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a liquid reservoir;
a vehicle surface liquid heating assembly receiving a liquid from said liquid reservoir;
a vehicle surface liquid spraying assembly receiving heated liquid from said vehicle surface liquid heating assembly; and
a heated liquid spray control subassembly employing said vehicle surface liquid heating assembly and said vehicle surface liquid spraying assembly for providing a spray of said heated liquid onto said at least one vehicle surface, said spray of said heated liquid being automatically activated by an automatic gain control circuit (AGC) actuation signal.
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Specification