# US 2014/0191009 A1 · Propellant container for combustion-operated bolt-firing tools > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0191009 A1 - Document ID: US20140191009A1 - Status: Published application - Kind: A1 - Application number: 14/122,706 - Filed: 2012-04-24 - Published: 2014-07-10 - Earliest claimed: 2011-06-20 - Assignees: Hilti Aktiengesellschaft - Inventors: Stefan Mayer - Web page: https://patentgrep.com/patent/US20140191009A1 ## CPC - B25C 1/08: operated by combustion pressure - F17C 13/02: Special adaptations of indicating, measuring, or monitoring equipment (measuring in general G01) - B25C: HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS (for shoemaking A43D) - F17C: VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES (storing fluids in natural or artificial cavities or chambers in the earth B65G5/00; construction or assembling of bulk storage containers employing civil-engineering techniques E04H7/00; variable-capacity gas-holders F17B; liquefaction or refrigeration machines, plants, or systems F25) ## Abstract The invention relates to a propellant container for combustion-operated bolt-firing tools (1), having a housing and a housing interior for holding propellant. In order to further simplify the operation of a bolt-firing tool, a sensor device is arranged in the housing interior, said sensor device sensing at least one state variable in the housing interior. ## Claims ### Claim 1 A propellant container for combustion-operated bolt-firing tools, comprising a housing, a housing interior for holding propellant, and a sensor device, wherein the sensor device is arranged in the housing interior and senses at least one state variable in the housing interior. ### Claim 2 (depends on 1) The propellant container according to claim 1, further comprising an electronic system arranged in the housing interior, the electronic system including the sensor device and/or a signal generator device. ### Claim 3 (depends on 1) The propellant container according to claim 1, wherein the sensor device in the housing interior is connected to an electronic system that is mounted on an outside of the propellant container. ### Claim 4 (depends on 2) The propellant container according to claim 2, wherein the sensor device is configured in such a way that at least one, several or each of the following state variables of the propellant in the housing interior is/are measured: propellant temperature, propellant pressure, propellant fill level, and mix ratio. ### Claim 5 (depends on 2) The propellant container according to claim 2, wherein the electronic system comprises a microcontroller with or without a storage unit. ### Claim 6 (depends on 2) The propellant container according to claim 2, wherein the electronic system exhibits a communication interface. ### Claim 7 (depends on 2) The propellant container according to claim 2, wherein the electronic system includes an antenna. ### Claim 8 (depends on 2) The propellant container according to claim 2, wherein the sensor device comprises multiple sensors, and/or the signal generator device comprises multiple signal generators. ### Claim 9 (depends on 1) The propellant container according to claim 1, wherein housing is configured as a can containing liquefied gas. ### Claim 10 (depends on 1) A bolt-firing tool with a propellant container according to claim 1, which is connectable or connected to a combustion chamber, and with an electronic control, that is electronically connectable or connected to the sensor device in the housing interior. ### Claim 11 (depends on 10) A process for the operation of a bolt-firing tool according to claim 10, comprising measuring at least one state variable the housing interior. ### Claim 12 (depends on 11) The process according to claim 11, comprising using the measured state variable to control and/or regulate at least one function of the bolt-firing tool. ### Claim 13 (depends on 11) The process according to claim 11, comprising using the measured state variable for diagnostic purposes, to set a dosing quantity, to set an ignition point and/or to display a fill level of the propellant container. ### Claim 14 (depends on 3) The propellant container according to claim 3, wherein the sensor device is configured in such a way that at least one, several or each of the following state variables of the propellant in the housing interior is/are measured: propellant temperature, propellant pressure, propellant fill level, mix ratio. ### Claim 15 (depends on 3) The propellant container according to claim 3, wherein the electronic system comprises a microcontroller with or without a storage unit. ### Claim 16 (depends on 4) The propellant container according to claim 4, wherein the electronic system comprises a microcontroller with or without a storage unit. ### Claim 17 (depends on 3) The propellant container according to claim 3, wherein the electronic system exhibits a communication interface. ### Claim 18 (depends on 4) The propellant container according to claim 4, wherein the electronic system exhibits a communication interface. ### Claim 19 (depends on 5) The propellant container according to claim 5, wherein the electronic system exhibits a communication interface. ### Claim 20 (depends on 3) The propellant container according to claim 3, wherein the electronic system includes an antenna.