# US 11,442,019 B2 · Fluid analysis and monitoring using optical spectroscopy > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,442,019 B2 - Document ID: US11442019B2 - Status: Granted - Kind: B2 - Application number: 16/444,597 - Filed: 2019-06-18 - Published: 2019-12-19 - Granted: 2022-09-13 - Earliest claimed: 2018-06-19 - Assignees: Virtual Fluid Monitoring Services LLC - Applicants: Virtual Fluid Monitoring Services LLC - Inventors: Chris Morton; Scott Rudder - Web page: https://patentgrep.com/patent/US11442019B2 ## CPC - G01N 21/65: Raman scattering - G01N 1/42: Low-temperature sample treatment, e.g. cryofixation - G01N 15/06: Investigating concentration of particle suspensions (by weighing G01N5/00; investigating sedimentation of particle suspensions G01N15/04; investigating individual particles G01N15/10) - G01N 15/075: by optical means - G01N 21/85: Investigating moving fluids or granular solids - G01N 2015/003: {in liquids, e.g. emulsion} - G01N 2015/0053: {in liquids, e.g. trouble} - G01N 2015/0687: {in solutions, e.g. non volatile residue} - G01N 2201/0231: Thermostating - G01N: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing apparatus or processes other than immunoassay, involving enzymes or microorganisms C12M, C12Q) ## Abstract Systems, methods, and computer-program products for fluid analysis and monitoring are disclosed. Embodiments include a sampling system and an analytical system connected to the sampling system. A fluid may be routed through the sampling system and data may be collected from the fluid via the sampling system. The sampling system may process and transmit the data to the analytical system. The analytical system may include a command and control system to receive and store the data in a database and compare the data to existing data for the fluid in the database to identify conditions in the fluid. The system may further include a cooling system configured to enclose at least one member of the fluid analysis system. The cooling system encloses at least one member of the fluid analysis system including the excitation system, the detection system, the fluid inlet, the sample chamber, the Raman probe, and combinations thereof. ## Claims ### Claim 1 A fluid analysis system, comprising: an excitation source configured to generate incident electromagnetic radiation; a detection system configured to detect scattered/emitted electromagnetic radiation to generate Raman spectral data; a fluid inlet configured to mechanically couple to a fluid source and to receive a fluid sample from the fluid source; a sample chamber fluidically coupled to the fluid inlet and configured to receive the fluid sample from the fluid source; a Raman probe optically coupled to the sample chamber, to the excitation source, and to the detection system, the probe configured: to receive the incident electromagnetic radiation from excitation source and to deliver the incident radiation to the fluid sample; and to receive scattered/emitted radiation from the fluid sample and to deliver the scattered/emitted radiation to the detection system; and a cooling system including an enclosure that encloses the excitation source and the detection system, wherein the cooling system is configured to maintain a temperature within the enclosure at or below ambient temperature. ### Claim 2 (depends on 1) The fluid analysis system of claim 1, wherein the enclosure of the cooling system also encloses at least one of the fluid inlet, the sample chamber, and/or the Raman probe. ### Claim 3 (depends on 1) The fluid analysis system of claim 1, wherein the cooling system is configured to maintain a temperature within the enclosure below ambient temperature. ### Claim 4 (depends on 3) The fluid analysis system of claim 3, wherein the cooling system is configured to maintain a temperature within the enclosure between about 1 degree C. below ambient temperature to about 100 degrees C. below ambient temperature. ### Claim 5 (depends on 1) The fluid analysis system of claim 1, further comprising an optical switch and an optical coupler, wherein the enclosure of the cooling system also encloses the optical switch and the optical couple. ### Claim 6 (depends on 5) The fluid analysis system of claim 5, wherein the detection system includes a CCD device. ### Claim 7 (depends on 5) The fluid analysis system of claim 5, further comprising an optical combiner, wherein the enclosure of the cooling system also encloses the optical combiner. ### Claim 8 (depends on 1) The fluid analysis system of claim 1, further comprising a power supply and conditioning equipment including at least one AC/DC converter and one or more DC current/voltage supplies, wherein the enclosure of the cooling system also encloses the power supply and the conditioning equipment. ### Claim 9 (depends on 1) The fluid analysis system of claim 1, further comprising an optical switch that selectively provides electromagnetic radiation to, and selectively receives electromagnetic radiation from, a plurality of external systems, wherein the enclosure of the cooling system also encloses the optical switch. ### Claim 10 (depends on 1) The fluid analysis system of claim 1, further comprising a 2×32 MEMS based optical switch, wherein the enclosure of the cooling system encloses the optical switch. ### Claim 11 (depends on 1) The fluid analysis system of claim 1, wherein the cooling system is configured to maintain a temperature within the enclosure at least 20 degrees C. below ambient temperature. ### Claim 12 (depends on 11) The fluid analysis system of claim 11, further comprising an optical switch, wherein the enclosure of the cooling system also encloses the optical switch. ### Claim 13 A fluid analysis system, comprising: an excitation source configured to generate incident electromagnetic radiation; a detection system configured to detect scattered/emitted electromagnetic radiation to generate spectral data; a fluid inlet configured to mechanically couple to a fluid source and to receive a fluid sample from the fluid source; a sample chamber fluidically coupled to the fluid inlet and configured to receive the fluid sample from the fluid source; an optical probe optically coupled to the sample chamber, to the excitation source, and to the detection system, the probe configured: to receive the incident electromagnetic radiation from excitation source and to deliver the incident radiation to the fluid sample; and to receive scattered/emitted radiation from the fluid sample and to deliver the scattered/emitted radiation to the detection system; and a cooling system including an enclosure that encloses the excitation source and the detection system, wherein the cooling system is configured to maintain a temperature within the enclosure at or below ambient temperature. ### Claim 14 (depends on 13) The fluid analysis system of claim 13, wherein the enclosure of the cooling system also encloses at least one of the fluid inlet, the sample chamber and/or the optical probe. ### Claim 15 (depends on 13) The fluid analysis system of claim 13, wherein the cooling system is configured to maintain a temperature within the enclosure below ambient temperature. ### Claim 16 (depends on 15) The fluid analysis system of claim 15, wherein the cooling system is configured to maintain a temperature within the enclosure between about 1 degree C. below ambient temperature to about 100 degrees C. below ambient temperature. ### Claim 17 (depends on 13) The fluid analysis system of claim 13, further comprising an optical switch and an optical coupler, wherein the enclosure of the cooling system also encloses the optical switch and the optical coupler. ### Claim 18 (depends on 17) The fluid analysis system of claim 17, further comprising an optical combiner, wherein the enclosure of the cooling system also encloses the optical combiner. ### Claim 19 (depends on 13) The fluid analysis system of claim 13, wherein the cooling system is configured to maintain a temperature within the enclosure at least 20 degrees C. below ambient temperature. ### Claim 20 (depends on 19) The fluid analysis system of claim 19, further comprising an optical switch, wherein the enclosure of the cooling system also encloses the optical switch.