# US 10,766,316 B1 · Combination in line tire pressure measurement sensor and tire pressure safety valve > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,766,316 B1 - Document ID: US10766316B1 - Status: Granted - Kind: B1 - Application number: 16/105,679 - Filed: 2018-08-20 - Granted: 2020-09-08 - Earliest claimed: 2016-11-08 - Assignees: Airgo IP, LLC - Applicants: Airgo IP, LLC - Inventors: Adwait Kulkarni; Daniel P. Dooley - Web page: https://patentgrep.com/patent/US10766316B1 ## CPC - B60C 23/00354: {Details of valves} - B60C 23/00309: {characterised by the location of the components, e.g. valves, sealings, conduits or sensors} - B60C 23/00318: {on the wheels or the hubs} - B60C 23/009: {having wheels on a trailer} - B60C: VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES ## Abstract A combination includes at least: an air line disposed between a rotary union and a tire; and a tire pressure management safety valve disposed within the air line. The air line facilitates pressurized fluid transferred between the rotary union and a valve stem of the tire, to inflate the tire, and the tire pressure management safety valve includes: a valve housing providing a valve activation chamber; a fluid conduit having a downstream end and an upstream end; a check valve disposed within the valve activation chamber, the check valve responsive to pressurized fluid within the air line, at a predetermined pressure the check valve automatically precludes air transfer through the fluid conduit; and a fitting communicating with the check valve activation chamber and the valve stem of the tire. The combination further includes a tire pressure measurement sensor interacting with the check valve activation chamber and the inflated tire. ## Claims ### Claim 1 A combination comprising: an air line communicating with and disposed between a rotary union and a tire, the tire communicating with an axle, the rotary union axially aligned with the axle, the air line facilitates pressurized air transferred between the rotary union and a valve stem of the tire, the pressurized air inflates the tire; a tire pressure management safety valve disposed between the rotary union and the tire, and further disposed within the air line, the tire pressure management safety valve comprising: a valve housing providing a valve activation chamber; a fluid conduit, the fluid conduit having a downstream end and an upstream end, the fluid conduit supported by the valve housing and in fluid communication with the valve activation chamber; a check valve disposed within the valve activation chamber and communicating with the fluid conduit, the check valve responsive to said pressurized air within the air line, such that when said pressurized air in the air line is below a predetermined value, the check valve automatically precludes air transfer between the upstream end of the fluid conduit and the valve activation chamber; and a fitting communicating with the check valve activation chamber and the valve stem of the tire; and a tire pressure measurement sensor disposed between the valve housing and a freely rotatable airline connection, else disposed within the valve housing. ### Claim 2 (depends on 1) The combination of claim 1, in which the tire pressure measurement sensor is disposed between the check valve activation chamber and the fitting, the tire pressure measurement sensor measures a pressure of fluid within the inflated tire. ### Claim 3 (depends on 2) The combination of claim 2, in which the tire pressure measurement sensor comprises a housing and a tire pressure measurement circuit confined within the housing, the tire pressure measurement circuit measures the pressure of the fluid within the inflated tire. ### Claim 4 (depends on 3) The combination of claim 3, in which the tire pressure measurement sensor further comprises a temperature measurement circuit confined within the housing, the temperature measurement circuit measures a temperature of the fluid within the inflated tire. ### Claim 5 The combination of 4, further comprising a plunger, the plunger confined by an internal surface of the valve housing and communicates with the check valve such that when an air pressure in the tire is below the predetermined value, pressure in the air line advances the plunger into pressing contact with the check, the plunger operates on the check valve automatically promote air transfer between the upstream end of the fluid conduit and the valve activation chamber. ### Claim 6 (depends on 5) The tire pressure management safety valve of claim 5, further comprising an upstream airline connection port enclosed by the valve housing and in fluid communication with the upstream end of the fluid conduit. ### Claim 7 (depends on 6) The tire pressure management safety valve of claim 6, further comprising a downstream air line connection port enclosed by the valve housing and in fluid communication with a downstream end of the check valve. ### Claim 8 (depends on 7) The tire pressure management safety valve of claim 7, in which the plunger includes at least a head portion confined within the valve housing and in fluid communication with the upstream air line connection port, and a check valve activation shaft portion extending from the head portion and in fluid communication with the check valve, and further comprising a force support member, the force support member enclosed by the valve housing and disposed between the head portion of the plunger and the check valve. ### Claim 9 (depends on 8) The tire pressure management safety valve of claim 8, further comprising a compression chamber encircled by an internal surface of the valve housing and disposed between the force support member and the head portion of the plunger. ### Claim 10 (depends on 9) The tire pressure management safety valve of claim 9, further comprising a compressive force member positioned within the compression chamber and disposed between the head portion of the plunger and the force support member. ### Claim 11 The combination of 1, further comprising a plunger, the plunger confined by an internal surface of the valve housing and communicates with the check valve such that when an air pressure in the tire is below a predetermined value, pressure in the air line advances the plunger into pressing contact with the check, the plunger operates on the check valve to facilitate transfer of air from the rotary union to the tire. ### Claim 12 (depends on 11) The tire pressure management safety valve of claim 11, further comprising an upstream air line connection port enclosed by the valve housing and in fluid communication with the upstream end of the fluid conduit. ### Claim 13 (depends on 12) The tire pressure management safety valve of claim 12, further comprising a downstream air line connection port enclosed by the valve housing and in fluid communication with a downstream end of the check valve. ### Claim 14 (depends on 13) The tire pressure management safety valve of claim 13, in which the plunger includes at least a head portion confined within the valve housing and in fluid communication with the upstream air line connection port, and a check valve activation shaft portion extending from the head portion and in fluid communication with the check valve, and further comprising a force support member, the force support member enclosed by the valve housing and disposed between the head portion of the plunger and the check valve. ### Claim 15 (depends on 14) The tire pressure management safety valve of claim 14, further comprising a compression chamber encircled by an internal surface of the valve housing and disposed between the force support member and the head portion of the plunger. ### Claim 16 (depends on 15) The tire pressure management safety valve of claim 15, further comprising a compressive force member positioned within the compression chamber and disposed between the head portion of the plunger and the force support member. ### Claim 17 (depends on 16) The tire pressure management safety valve of claim 16, further comprising a fluidic seal, encircling the head portion of the plunger, in contact adjacency with the internal surface of the valve housing and disposed between the head portion of the plunger and the internal surface of the valve housing, the fluidic seal mitigates a transfer of fluid between the upstream air line connection port and the compression chamber.