# US 2019/0170589 A1 · Physical quantity detecting device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0170589 A1 - Document ID: US20190170589A1 - Status: Published application - Kind: A1 - Application number: 16/321,826 - Filed: 2017-06-30 - Published: 2019-06-06 - Earliest claimed: 2016-08-22 - Assignees: Hitachi Automotive Systems, Ltd. - Applicants: Hitachi Automotive Systems, Ltd. - Inventors: Nozomi YATSUMONJI; Hiroaki HOSHIKA; Takayuki YOGO; Takahiro MIKI; Hiroyuki ABE - Web page: https://patentgrep.com/patent/US20190170589A1 ## CPC - G01K 1/08: Protective devices, e.g. casings - G01K 1/14: Supports; Fastening devices; Arrangements for mounting thermometers in particular locations - G01D 5/00: Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable (G01D3/00 takes precedence; specially adapted for apparatus giving results other than momentary value of variable G01D1/00) - G01D 11/24: Housings {; Casings for instruments} - G01D 21/02: Measuring two or more variables by means not covered by a single other subclass - G01F 1/684: Structural arrangements; Mounting of elements, e.g. in relation to fluid flow - G01K 7/22: the element being a non-linear resistance, e.g. thermistor (G01K7/26 takes precedence) - G01K 13/02: for measuring temperature of moving fluids or granular materials capable of flow - G01K 13/024: of moving gases - G01K: MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR (radiation pyrometry G01J5/00) - G01D: MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR - G01F: MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME ## Abstract An object of the present invention is to provide a physical quantity detecting device capable of inhibiting a cantilever-shaped portion of a circuit board from resonating. A physical quantity detecting device includes: a circuit board 400 having: a first support portion 403 on which a physical quantity detecting element is implemented, the physical quantity detecting element being configured to detect a physical quantity of fluid; and a second support portion 460 on which a temperature detecting element is implemented, the temperature detecting element being configured to detect a temperature of the fluid, the second support portion 460 protruding from an edge of the circuit board 400, the second support portion 460 having the temperature detecting element disposed at a leading end portion 700a included in a free end; and a housing 302 molded by injection molding, the housing 302 supporting the circuit board 400, in which the second support portion 460 has a third support portion 701 or 701a supporting the second support portion 460 in connection with the housing 302, the third support portion 701 or 701a being located on a side on which the leading end portion 700a is located, with respect to a base end portion 700b, the third support portion 701 or 701a being located on a side on which the base end portion 700b is located, with respect to an implementation portion on which the temperature detecting element is implemented. ## Claims ### Claim 1 A physical quantity detecting device comprising: a circuit board having: a first support portion on which a physical quantity detecting element is implemented, the physical quantity detecting element being configured to detect a physical quantity of fluid; and a second support portion on which a temperature detecting element is implemented, the temperature detecting element being configured to detect a temperature of the fluid, the second support portion protruding from an edge of the circuit board, the second support portion having the temperature detecting element disposed at a leading end portion included in a free end; and a housing supporting the circuit board, wherein the second support portion has a third support portion supporting the second support portion in connection with the housing, the third support portion being located on a side on which the leading end portion is located, with respect to a base end portion that is an end portion on an opposite side to the leading end portion, the third support portion being located on a side on which the base end portion is located, with respect to an implementation portion on which the temperature detecting element is implemented. ### Claim 2 (depends on 1) The physical quantity detecting device according to claim 1, wherein the second support portion has a width-extended portion extended in width with respect to the implementation face on which the temperature detecting element is implemented, and the width-extended portion is included the third support portion. ### Claim 3 (depends on 2) The physical quantity detecting device according to claim 2, wherein the circuit board is secured, the circuit board being embedded in the housing, and the third support portion is secured with a side edge portion on a width-extended side, embedded in the housing. ### Claim 4 (depends on 3) The physical quantity detecting device according to claim 3, wherein the third support portion is provided at a position apart from the base end portion. ### Claim 5 (depends on 1) The physical quantity detecting device according to claim 1, wherein the third support portion has a protruding-shaped portion protruding from the housing to a side on which the second support portion is located, the protruding-shaped portion adhering to the second support portion with adhesive. ### Claim 6 (depends on 1) The physical quantity detecting device according to claim 1, wherein the third support portion has a protruding-shaped portion protruding from the housing to a side on which the second support portion is located, and the second support portion is secured, the second support portion being embedded in the protruding-shaped portion such that a conductor is exposed. ### Claim 7 (depends on 6) The physical quantity detecting device according to claim 6, wherein the protruding-shaped portion has the second support portion embedded such that a back face of the second support portion is covered in a direction across a direction in which the second support portion protrudes. ### Claim 8 (depends on 6) The physical quantity detecting device according to claim 6, wherein the second support portion is embedded in the protruding-shaped portion at a position apart from the base end portion.