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(12) PATENT APPLICATION PUBLICATION
(19) INDIA (21) APPLICATION No:
1569/MAS/1998A
(22) Date of filing of Application:14/07/1998 (43) Publication Date: 09/06/2006
(54) Title of the invention:
(71) Name of Applicant
PRESSURE SENSOR
(51)International classification:FO2D
01/18, FO2 M 4/12
(31) Priority Document No.197 48 578.2
(32) Priority Date:04/11/1997
(33) Name of priority country: GERMANY
(87) WIPO No. :
(61) Patent of addition to
Application No. :
Filed on:
(62) Divisional to
Application No.:
Filed on:
ROBERT BOSCH GMBH
Address of Applicant:
POSTFACH30 02 20,
D-70442 STUTTGART
GERMAN.
(72) Name of the Inventor(s):
ROLF-JURGEN GIERSCH
MICHAEL SCHARF
JOERG-PETER FISCHER
(57) Abstract
Pressure sensor for sensing the pressure of a medium which is bounded by a wall, in particular for sensing the
pressure in the pump working space of a fuel injection pump, having a housing which is arranged in a through-hole
(2) of the central locking screw (4) of the fuel injection pump. The housing has a separate front part (8) which is
welded to a measuring element carrier (16) and together with the latter, a measuring element (14), a pressure
transmission element (12) and a dia- phragm (10) forming the base of the front part (8) of the housing forms a
measuring head (6) which is prestressed in the pressure transmission direction in a defined fashion and cannot be
disassembled. The measuring head (6) makes contact with other components of the pressure sensor (1) and with the
through-hole (2) exclusively by means of an outer flange (20) which is arranged on the outer circumference of the
measuring head (6).
The Patent Office Journal 09/06/2006 10789