公开(公告)号：WO2016063216A1

公开(公告)日：2016-04-28

申请号：PCT/IB2015/058072

申请日：2015-10-20

Applicant: PADMINI VNA MECHATRONICS PVT. LTD.

Inventor： BHANDARI, Kabir ,  KUMAR, Amardip ,  GOSWAMI, Ravi ,  SAXENA, Rachit

IPC: F02D21/08 ,  F02M25/08

CPC classification number: F02M26/57 ,  F16K27/029 ,  F16K31/0655 ,  F16K31/0672 ,  F16K47/02 ,  F16K47/08

Abstract: The present invention relates to an improved design of vacuum modulator or electronic vacuum regulating valve (EVRV) which completely eliminates the noise at emission system. The invention further introduces an improved design of the vacuum modulator which keeps the vacuum force balanced and makes the Vacuum Modulator Noise Free, more reliable and more durable. The noise free vacuum modulator of the present invention is resulted by the introduction of new design of internal filter, change in design of diaphragm, change in design of Cap, and change in design of Housing Sub Assembly.

Abstract translation: 本发明涉及一种完全消除排放系统噪声的真空调节器或电子真空调节阀（EVRV）的改进设计。 本发明进一步介绍了真空调节器的改进设计，其保持真空力平衡，并使真空调制器无噪声，更可靠和更耐用。 本发明的无噪声真空调制器是通过引入内部滤波器的新设计，膜片设计的改变，Cap的设计改变以及壳体子组件的设计变化而引起的。