Mechanical coolant pump

Mechanical coolant pump

  • CN 104,169,538 A
  • Filed: 07/09/2012
  • Published: 11/26/2014
  • Est. Priority Date: 02/14/2012
  • Status: Active Application
First Claim
Patent Images

1. for the mechanical coolant pump (10) of internal-combustion engine, compriseImpeller type pump impeller (40), the liquid coolant entering at axial direction is radially pumped into outlet volute (13) by described pump impeller,Pump case (12), the second outlet passage (16) that described pump case limits outlet volute (13), the first outlet passage (14) and independently fluidly walks abreast,Fluidly be arranged in the first outlet passage (14) and the second outlet passage (16) outlet valve device before, andThe first valve opening (15) of the first outlet passage (14) and the second valve opening (17) of the second outlet passage (16), whereinOutlet valve device comprises the integral valve body (20) with the first retaining part (24) and the second retaining part (26), and described valve body (20) can pivotable between open position and closed position, andIn the closed position of valve body (20), the first retaining part (24) is fully closed the first valve opening (15), and the second retaining part (26) is only partly closed second valve opening (17), make second valve opening (17) retaining part and open.

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