Cooling apparatus for machine parts such as pump seals
OwnerRoger D. Smithinventor
Life of this patent
Estimating the term…
Abstract
Cooling apparatus for removing heat generated by friction between machine parts located within a liquid confining enclosure, for example, a seal surrounding the drive shaft of a motor driven pump used for below-ground pumping of sewage, the apparatus comprising a baffled chamber of novel construction which may be mounted on the pump motor housing and cooperates with a tubular heat exchanger, for automatic circulation, in closed circuit, of hot cooling liquid from the seal to the chamber, where it circulates in an orbital motion by virtue of the baffle arrangement, then passes to the tubular heat exchanger, and from there to the seal to cool it.
Claims18
Cooling apparatus for removing heat generated by friction between machine parts located within a liquid confining enclosure, said enclosure having liquid inlet and outlet openings, said outlet opening being located above said inlet opening, said apparatus providing, when filled with cooling liquid, closed circuit, automatically recirculating heat removal;
- said apparatus comprising:
- metal wall means including an upper wall and a bottom wall forming a closed, liquid receiving chamber for mounting above said enclosure,
- liquid inlet means in an end portion of said upper wall for receiving heated cooling liquid from the liquid outlet opening of said enclosure, and liquid outlet means in an opposite end portion of said bottom wall,
- baffle means within said chamber for directing the cooling liquid entering said inlet means into orbital movement within the chamber, and
- heat exchanger means located below said chamber and comprising elongate means providing a liquid flow path, said elongate means having an inlet connected to said liquid outlet means, and an outlet for connection to the liquid inlet opening of said enclosure.
A closed, liquid receiving chamber structure for use in cooling apparatus for removing heat generated by friction between machine parts located within a liquid confining enclosure, said enclosure having liquid inlet and outlet openings, said outlet opening being located above said inlet opening, said apparatus providing, when filled with cooling liquid, closed circuit, automatically recirculating heat removal, said chamber structure comprising:
- metal wall means including an upper wall and a bottom wall,
- liquid inlet means in an end portion of said upper wall for receiving heated cooling liquid, and liquid outlet means in an opposite end portion of said bottom wall, and
- baffle means within said chamber for directing the cooling liquid entering said inlet means into orbital movement within the chamber,
- said baffle means comprising a first baffle extending transversely and longitudinally of said chamber and being located closer to said upper wall than to said bottom wall, the ends of said first baffle being spaced from the ends of said chamber, and
- second and third baffles extending downwardly from the respective ends of said first baffle, said second baffle being near said liquid outlet means and being shorter than said third baffle, said third baffle being near said liquid inlet means.
Dependencies are inferred from the claim text.