Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ボール弁装置
Document Type and Number:
Japanese Patent JP6953173
Kind Code:
B2
Abstract:
A ball valve apparatus with an improved linearity of fluid flow therethrough is provided. The ball valve includes a valve housing including a housing inlet and a housing outlet; a valve ball receivable within the valve housing, the valve ball having a bore therethrough, a ball inlet and ball outlet of the valve ball which are in fluid communication with the bore, a fluid flow path through the ball valve apparatus being defined at least in part by the housing inlet, housing outlet, ball inlet, ball outlet and the bore. There is also provided a valve stem engagable with the valve ball and. To control the fluid flow through the apparatus such that there is a linear or substantially linear relationship between at the angular position of the valve ball and the fluid flow through the apparatus, there may be provided at least one bridging element, positioned on the fluid flow path to alter a fluid flow thereacross and/or ball outlet, and/or at least one of the ball inlet and ball outlet may have a non-circular profile. A ball valve for such an apparatus is also provided, in addition to method of improving the linearity of fluid flow through a ball valve apparatus.

Inventors:
Emmanuel vichard
Ivan Burki
Application Number:
JP2017092267A
Publication Date:
October 27, 2021
Filing Date:
May 08, 2017
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Johnson Electric International Akchen Gesell Shaft
International Classes:
F16K5/10
Domestic Patent References:
JP2010014280A
JP2005291347A
Attorney, Agent or Firm:
Shinichiro Tanaka
Disciple Maru Ken
▲吉▼田 和彦
Fumiaki Otsuka
Takaki Nishijima
Hiroyuki Suda
Hiroshi Uesugi
Naoki Kondo