Environmental control system and cab combination
First Claim
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1. An environmental control system and cab combination, comprising:
- a cab framework including at least one upper horizontally disposed tubular member having opposite open ends;
fresh air inlet duct means joined to the tubular member for conveying air from outside the cab into the tubular member;
a pair of upright tubular support posts respectively joined to and respectively provided with a pair of inlet openings in communication with the opposite open ends of the tubular member;
said posts further being respectively provided with a pair of outlet openings;
an operator seat support structure defining a hollow chamber;
air blower means mounted in said chamber and having inlet and outlet means;
air supply duct means defined at least in part by said chamber and extending between the pair of outlet openings of the support posts and blower means inlet;
air conditioning coil means and air heating coil means located in the chamber in said air supply duct means; and
air discharge duct means, including conditioned air outlet means leading from the chamber connected to the blower means outlet means.
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Abstract
The framework and operator seat support structure of a cab form part of the ductwork for an environmental control system including a pair of blowers and cooling and heating coils mounted in a hollow arm rest support portion of the seat support structure.
48 Citations
8 Claims
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1. An environmental control system and cab combination, comprising:
- a cab framework including at least one upper horizontally disposed tubular member having opposite open ends;
fresh air inlet duct means joined to the tubular member for conveying air from outside the cab into the tubular member;
a pair of upright tubular support posts respectively joined to and respectively provided with a pair of inlet openings in communication with the opposite open ends of the tubular member;
said posts further being respectively provided with a pair of outlet openings;
an operator seat support structure defining a hollow chamber;
air blower means mounted in said chamber and having inlet and outlet means;
air supply duct means defined at least in part by said chamber and extending between the pair of outlet openings of the support posts and blower means inlet;
air conditioning coil means and air heating coil means located in the chamber in said air supply duct means; and
air discharge duct means, including conditioned air outlet means leading from the chamber connected to the blower means outlet means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
- a cab framework including at least one upper horizontally disposed tubular member having opposite open ends;
Specification