Patent · US Expired

Damping device for circulatory pressure measuring apparatus

US4779625A · kind A · utility

44Cited by
6References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 16, 1986
Grant dateOct 25, 1988
Priority date
Expiry dateMay 16, 2006

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16L55/043
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A damping device for use in conjunction with a circulatory pressure measuring system to attenuate resonant pressure waves therein includes a series connector for connection to the pressure measuring system. An integrally connected parallel portion includes a capillary tube fluid resistance element in communication with the series connector. A flexible membrane isolates the capillary tube from a fixed volume gas chamber located adjacent the flexible membrane.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.