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US 11,230,301 B2Granted
Transit cleaning unit
OwnerRichard William Lewis, IIinventor
Life of this patent
Estimating the term…
Abstract
Transit Cleaning Unit is able to clean the walls, overhead, insulators third rail covers and flooring of the subway systems in a minimum amount of time. It provides an effective means of providing a clean environment for the benefit of the customers.
Claims11
A four car transit cleaning unit comprising:
- two supply cars;
- and
- two work cars located on either end of said two supply cars, wherein each of the two supply cars comprises a converted transit car comprising forward doors, aft doors, and four water tanks, wherein a first water tank of the four water tanks is positioned forward of the forward doors, wherein a second water tank of the four water tanks is positioned aft of the aft doors, wherein a third water tank of the four water tanks and a fourth water tank of the four water tanks are positioned between the forward doors and aft doors, wherein each of the two work cars comprises a roof, an undercarriage, a floor, forward doors, aft doors, a non-operational middle door, high pressure water nozzles, a five-thousand PSI pressure washer that supplies water to the high pressure water nozzles, and an on-demand hot water heater that supplies water to the pressure washer, wherein the high pressure water nozzles in each of the two work cars comprises overhead high pressure water nozzles on the roof, decking high pressure water nozzles located on the undercarriage, wall high pressure water nozzles mounted at the forward doors and the aft doors on a hydraulically moveable frame allowing the wall high pressure water nozzles to extend and retract along the floor, and an insulator high pressure water nozzle mounted under the middle door, which can hydraulically extend and retract.
A system comprising:
- a subway system;
- and
- a four car transit cleaning unit comprising two supply cars and two work cars located on either end of said two supply cars, wherein each of the two supply cars comprises a converted transit car comprising forward doors, aft doors, and four water tanks, wherein a first water tank of the four water tanks is positioned forward of the forward doors, wherein a second water tank of the four water tanks is positioned aft of the aft doors, wherein a third water tank of the four water tanks and a fourth water tank of the four water tanks are positioned between the forward doors and aft doors, wherein each of the two work cars comprises a roof, an undercarriage, a floor, forward doors, aft doors, a non-operational middle door, high pressure water nozzles, a five thousand PSI pressure washer that supplies water to the pressure water nozzles, and an on-demand water heater that is configured to supply heated water to the pressure washer, wherein the high pressure water nozzles in each of the two work cars comprises overhead water nozzles on the roof, decking water nozzles located on the undercarriage, wall water nozzles mounted at the forward doors and the aft doors on a hydraulically moveable frame allowing the wall water nozzles to extend and retract along the floor, and a water nozzle mounted under the middle door, which can hydraulically extend and retract.
Dependencies are inferred from the claim text.