Manufacturing method for a sensor of a thermal flow measuring device

• US 8,356,932 B2
• Filed: 08/24/2010
• Issued: 01/22/2013
• Est. Priority Date: 08/24/2009
• Status: Active Grant

• Current Assignee: Endress+Hauser Flowtec AG (Endress+Hauser AG)
• Original Assignee: Endress+Hauser Flowtec AG (Endress+Hauser AG)
• Inventors: Pfau, Alex
• Primary Examiner(s): Caputo, Lisa
• Assistant Examiner(s): WILLIAMS, JAMEL E
• Application Number:
  US12/805,903
• Publication Number:
  US 20110041597A1
• Time in Patent Office: 882 Days
• Field of Search: 732/042.2, 374/29
• US Class Current: 374/29
• CPC Class Codes: B23K 26/20 Bonding soldering by means of radiant energy B23K1/005; joining of preformed plastics parts by heating using laser beam B29C65/16
• CPC Class Codes: G01F 1/684 Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
• CPC Class Codes: G01F 1/692 Thin-film arrangements
• CPC Class Codes: H05K 13/04 Mounting of components , e.g. of leadless components
• CPC Class Codes: Y10T 29/49169 Assembling electrical component directly to terminal or elongated conductor
• CPC Class Codes: Y10T 29/49174 Assembling terminal to elongated conductor

Abstract

A method for the manufacture of a sensor for a thermal flow measuring device, wherein the sensor has at least one housing with a first open end and a second open end. The first open end is securable in a sensor holder; and at least one resistance thermometer is inserted into the housing through the second open end of the housing and the second open end of the housing is closed. Cables for electrical contacting of the resistance thermometer lead out of the housing through the first open end of the housing.

Claims

1. A sensor for a thermal flow measuring device, comprising:

at least one housing with a first end and a second end, said first end is secured in a sensor holder;

at least one resistance thermometer inserted into the housing through said second end of said housing and said second open end of said housing is closed; and

cables for electrical contacting of the resistance thermometer lead out from said housing through the first open end of the housing, wherein;

said housing has a circularly round cross section, and ratio of inner diameter of said housing to the width of the resistance thermometer amounts to at least 1.5.

2. The sensor for a thermal flow measuring device as claimed in claim 1, wherein:

said spacer has a circularly round cross section, wherein nominal dimension of the inner diameter of said housing is equal to nominal dimension of the outer diameter of the spacer.

3. The sensor for a thermal flow measuring device as claimed in claim 1, wherein:

said housing is bent.