公开(公告)号：US3552188A

公开(公告)日：1971-01-05

申请号：US3552188D

申请日：1969-09-25

Applicant: COMPTEURS COMP D

Inventor： ROLLAND JEAN-NOEL GASTON ANDRE

IPC: F15C1/00 ,  G01G5/00 ,  G01G23/18 ,  G01B13/12

CPC classification number: G01G23/18 ,  F15C1/005 ,  G01G5/00 ,  G01G5/006

Abstract: A PNEUMATIC GAP DETECTOR FOR A FORCE MICROMETER BALANCE AND SIMILAR DEVICES HAS A BALL FIXED TO A MEMBER WHOSE POSITION GAP IS TO BE DETECTED. THE GAP DETECTOR HAS A FIRST AND SECOND PAIR OF NOZZLES WITH THE BALL BEING PLACED BETWEEN THE FIRST PAIR OF NOZZLES. THE DETECTOR ALSO HAS A PRESSURE CHAMBER SURROUNDING ONE OF THE SECOND PAIR OF NOZZLES FORMING A PNEUMATIC DIFFERENTIAL AMPLIFIER. A PRESSURE DETECTOR IS CONNECTED TO THE PRESSURE CHAMBER OF THE AMPLIFIER TO DETECT THE POSITION GAP.

公开(公告)号：US3505855A

公开(公告)日：1970-04-14

申请号：US3505855D

申请日：1969-02-24

Applicant: COMPTEURS COMP D

Inventor： ROLLAND JEAN-NOEL GASTON ANDRE

IPC: G01N11/00 ,  A61M16/00 ,  G01N11/04

CPC classification number: A61M16/0051