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US 8,573,237 B2Granted
Apparatus and method for cleaning heat exchangers
OwnerJerry Cruminventor
Life of this patent
Estimating the term…
Abstract
A tool for cleaning heat exchangers may include a fluid flow control valve, a hollow elongated stem attached to the valve and a hollow fan head attached to the hollow stem. The fan head may have a fan-head axis oriented at an oblique angle relative to a stem axis of the stem.
Claims5
An apparatus for cleaning heat exchangers comprising:
- a cylinder-shaped hollow handle having a fluid flow control valve, the hollow handle having internal threads formed therein which threads are configured to accommodate male threads of a water hose connector;
- a hollow elongated stem attached to the valve;
- and
- a hollow fan head integrally formed with the hollow stem, the hollow fan head having an elongated opening, the elongated opening being laterally displaced from a stem axis of the stem by a distance no greater than 1½ times an outer diameter of the stem, and the hollow fan head having a fan-head axis oriented at an angle between 110° to 150° relative to the stem axis of the stem.
1 more element
Dependencies are inferred from the claim text.