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US 10,246,300 B2Granted
Elevator virtual aerodynamic shroud
AssigneeOtis Elevator Company
InventorsDavid R. Polak, Ray-Sing Lin, David E. Parekh, Mark S. Thompson
Life of this patent
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Abstract
An elevator car (20) comprises: a cab (24) having a top, a bottom, a left side, a right side, a front, and a back, the front having a door (50); and a frame (22) supporting the cab. The cab comprises a perimeter shroud (120; 320; 420; 620) protruding above a surface of the top and leaving a well (130) exposing a central portion of an upper surface (60) of the top; the perimeter shroud protrudes above the upper surface; and the perimeter shroud has, in vertical section, a curved portion.
Claims20
An elevator car comprising:
- a cab having a top, a bottom, a left side, a right side, a front, and a back, the front having a door, a vertical direction going from the bottom to the top;
- a frame supporting the cab;
- and
- a fan,
- wherein;
- the cab comprises a perimeter shroud protruding above a surface of the top and leaving a well exposing a central portion of an upper surface of the top;
- the perimeter shroud protrudes above the upper surface;
- the perimeter shroud has, when viewed in vertical section, a curved portion;
- the fan is under the perimeter shroud aside the well;
- and
- the perimeter shroud covers the fan.
8 more elements
An elevator car comprising:
- a cab having a top, a bottom, a left side, a right side, a front, and a back, the front having a door, a vertical direction going from the bottom to the top;
- a frame supporting the cab;
- and
- electrical equipment atop the cab,
- wherein;
- the cab comprises a perimeter shroud protruding above a surface of the top and leaving a well exposing a central portion of an upper surface of the top;
- the perimeter shroud protrudes above the upper surface;
- the perimeter shroud has, when viewed in vertical section, a curved portion;
- and
- the perimeter shroud encloses the electrical equipment aside the well below the curved portion.
7 more elements
Dependencies are inferred from the claim text.