Abstract:
A fan hub stiffener is provided. The stiffener occupies a gap between parallel fan hub plates to reduce or eliminate stress on the plates during operation. The stiffener may include a body and arms extending radially outward from the body and into the spaces between adjacent fan blades.
Abstract:
A tube-and-fin assembly with improved removal feature is provided. The tube-and-fin assembly includes a tube including an elongated body having flattened sides, a cylindrical top end and a cylindrical bottom end for attachment to a coolant manifold, and a plurality of fins which are disposed as a unitary part of a corrugated sheet affixed to either side of the tube, where the bottom end includes a bottom bead and a top bead.
Abstract:
A cooling system for a machine includes a radiator assembly having a tank access port, and an overflow port formed in a radiator tank. A solid cap is coupled with the radiator tank to seal the tank access port, and a valve mechanism is coupled with the radiator tank. The valve mechanism includes a pressure relief valve and a coolant return valve operable to fluidly connect the radiator tank with a recovery bottle responsive to a pressurized or a vacuum state of the radiator tank, respectively.
Abstract:
A heating system for an engine includes a heater and a heat exchanger. The heater increases the temperature of an engine coolant and circulates the engine coolant into the heat exchanger. The heat exchanger is located with an oil pan. The heat exchanger received the heated engine coolant and transfers heat from the engine coolant into engine lubricant in the oil pan. The engine coolant flows from the heat exchanger into an engine block of the engine. The engine coolant transfers heat to the engine block and flows back to the heater to be heated again.