公开(公告)号：US08684686B2

公开(公告)日：2014-04-01

申请号：US13661657

申请日：2012-10-26

Applicant: Bowles Fluidics Corporation

Inventor： Shridhar Gopalan ,  Alan Romack ,  Chunling Zhao

IPC: F04D29/42

CPC classification number: F04D29/242 ,  F04D29/426

Abstract: An improved automotive pump assembly includes a volute pumping chamber configured to operably contain a rotatable impeller which, when driven, draws fluid into a fluid inlet and pumps the fluid to and through a fluid outlet. The volute chamber has an exterior sidewall with a constant internal first radius over a first sidewall portion and transitions to a second sidewall portion of increasing radius. The chamber's second sidewall portion defines a first end at a sidewall transition point tangent to the constant radius sidewall segment to define a second end which is tangent to the volute chamber's fluid outlet with a second radius that is greater than the first radius.

Abstract translation: 改进的汽车泵组件包括蜗壳泵送室，其构造成可操作地容纳可旋转的叶轮，当被驱动时，其将流体吸入流体入口并将流体泵送并通过流体出口。 蜗壳室具有在第一侧壁部分上具有恒定内部第一半径的外侧壁，并且转变到增加半径的第二侧壁部分。 室的第二侧壁部分限定在与恒定半径的侧壁段相切的侧壁过渡点处的第一端，以限定第二端，其与蜗壳腔的流体出口相切，第二半径大于第一半径。

公开(公告)号：US20130045095A1

公开(公告)日：2013-02-21

申请号：US13661657

申请日：2012-10-26

Applicant: BOWLES FLUIDICS CORPORATION

Inventor： SHRIDHAR GOPALAN ,  Alan Romack ,  Chunling Zhao

IPC: F04D29/42

CPC classification number: F04D29/242 ,  F04D29/426

Abstract: An improved automotive pump assembly includes a volute pumping chamber configured to operably contain a rotatable impeller which, when driven, draws fluid into a fluid inlet and pumps the fluid to and through a fluid outlet. The volute chamber has an exterior sidewall with a constant internal first radius over a first sidewall portion and transitions to a second sidewall portion of increasing radius. The chamber's second sidewall portion defines a first end at a sidewall transition point tangent to the constant radius sidewall segment to define a second end which is tangent to the volute chamber's fluid outlet with a second radius that is greater than the first radius.

Abstract translation: 改进的汽车泵组件包括蜗壳泵送室，其构造成可操作地容纳可旋转的叶轮，当被驱动时，其将流体吸入流体入口并将流体泵送并通过流体出口。 蜗壳室具有在第一侧壁部分上具有恒定内部第一半径的外侧壁，并且转变到增加半径的第二侧壁部分。 室的第二侧壁部分限定在与恒定半径的侧壁段相切的侧壁过渡点处的第一端，以限定第二端，其与蜗壳腔的流体出口相切，第二半径大于第一半径。