# US 10,371,590 B2 · Sensor having thermal gradients > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,371,590 B2 - Document ID: US10371590B2 - Status: Granted - Kind: B2 - Application number: 15/689,588 - Filed: 2017-08-29 - Published: 2017-12-21 - Granted: 2019-08-06 - Earliest claimed: 2013-09-17 - Assignees: Kulite Semiconductor Products, Inc. - Applicants: Kulite Semiconductor Products, Inc. - Inventors: Louis DeRosa; Robert Gardner; Richard Martin - Web page: https://patentgrep.com/patent/US10371590B2 ## CPC - G01L 9/06: of piezo-resistive devices - G01L 13/025: {using diaphragms} - G01L 19/04: Means for compensating for effects of changes of temperature {, i.e. other than electric compensation} - G01L: MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE (weighing G01G) ## Abstract This disclosure provides example methods, devices, and systems for a sensor having thermal gradients. In one embodiment, a system may comprise a sensor assembly including a housing; a first header and a second header coupled to the housing; a first transducer coupled to the first header, wherein the first transducer is configured to measure a first pressure to generate a first pressure signal; a second transducer coupled to the second header, wherein the second transducer is configured to measure a second pressure to generate a second pressure signal; and wherein the first transducer and the second transducer are positioned in the housing such that a first temperature of the first transducer is about equivalent to a second temperature of the second transducer during operation of the sensor assembly. ## Claims ### Claim 1 A sensor apparatus, comprising: a one-piece transducer assembly housing characterized by: a first recess; a second recess; a first port defined in the one-piece housing, the first port extending from the first recess and through a first channel to a first opening in an end portion of the one-piece housing; and a second port defined in the one-piece housing, the second port extending from the second recess and through a plurality of channels in communication with a plurality of respective openings distributed around a side portion of the one-piece housing. ### Claim 2 (depends on 1) The sensor apparatus of claim 1, wherein the one-piece housing is thermally conductive. ### Claim 3 (depends on 1) The sensor apparatus of claim 1, wherein the one-piece housing comprises metal. ### Claim 4 (depends on 1) The sensor apparatus of claim 1, further comprising a first transducer assembly mated within at least a portion of the first recess and in communication with the first port. ### Claim 5 (depends on 4) The sensor apparatus of claim 4, wherein the first transducer assembly comprises: a first transducer; and a first header coupled to the first transducer. ### Claim 6 (depends on 1) The sensor apparatus of claim 1, further comprising a second transducer assembly mated within at least a portion of the second recess and in communication with the second port. ### Claim 7 (depends on 6) The sensor apparatus of claim 6, wherein the second transducer assembly comprises: a second transducer; and a second header coupled to the second transducer. ### Claim 8 (depends on 1) The sensor apparatus of claim 1, wherein the first port is configured for communication with a first pressure. ### Claim 9 (depends on 1) The sensor apparatus of claim 1, wherein the second port is configured for communication with a reference pressure. ### Claim 10 (depends on 1) The sensor apparatus of claim 1, wherein the first recess and the second recess are laterally equidistant from a front surface of the housing. ### Claim 11 (depends on 1) The sensor apparatus of claim 1, wherein the end portion of the one-piece housing comprises a surface for mounting the one-piece housing to another structure. ### Claim 12 (depends on 1) The sensor apparatus of claim 1, wherein the first recess and the second recess are positioned symmetrically relative to a longitudinal axis of the housing. ### Claim 13 A method, comprising: providing a one-piece transducer assembly housing; defining, in the one piece housing, a first recess configured for depositing and at least partially embedding a corresponding first transducer assembly within in the housing; defining, in the one piece housing, a second recess configured for depositing and at least partially embedding a corresponding second transducer assembly within in the housing; configuring a first port to extend from the first recess and through an end portion of the one-piece housing such that the first port is defined in the one-piece housing and configured for communication with a first pressure; and configuring a second port to extend from the second recess and through a plurality of channels in communication with a plurality of respective openings distributed around a side portion of the one-piece housing such that the second port is defined in the housing and configured for communication with a reference pressure. ### Claim 14 (depends on 13) The method of claim 13, further comprising: coupling, to the first recess, a first header; and coupling, to the first header, a first transducer, wherein the first transducer is in communication with the first port. ### Claim 15 (depends on 13) The method of claim 13, further comprising: coupling, to the second recess, a second header; and coupling, to the second header, a second transducer, wherein the second transducer is in communication with the second port. ### Claim 16 (depends on 13) The method of claim 13, wherein the one-piece housing is made from a thermally conductive material. ### Claim 17 (depends on 13) The method of claim 13, wherein the first pressure is characterized by a dynamic pressure having a first temperature, and wherein the reference pressure is characterized by atmospheric pressure, wherein the atmospheric pressure is characterized by a static pressure having a second temperature that differs from the first temperature. ### Claim 18 (depends on 13) The method of claim 13, wherein the one-piece housing comprises a one-piece thermally conductive metal material disposed around and forming the first port and the second port. ### Claim 19 (depends on 13) The method of claim 13, wherein the first recess and the second recess are positioned in the one-piece housing such that a temperature of the first recess is about equivalent to a temperature of the second recess during operation. ### Claim 20 (depends on 13) The method of claim 13, further comprising thermally coupling a first header and a second header to the respective first recess and second recess of the one-piece housing.