# US 2014/0150808 A1 · Tobacco dosing system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0150808 A1 - Document ID: US20140150808A1 - Status: Published application - Kind: A1 - Application number: 14/115,908 - Filed: 2012-05-14 - Published: 2014-06-05 - Earliest claimed: 2011-05-16 - Assignees: Sluis Cigar Machinery B.V. - Inventors: Ronald Petrus Gerhardus Dekkers; Mark Leendert Meijer - Web page: https://patentgrep.com/patent/US20140150808A1 ## CPC - A24C 1/02: Tobacco-feeding devices with or without means for dividing the tobacco into measured quantities - A24C 5/39: Tobacco feeding devices (regulating feed according to rod or cigarette condition A24C5/34) - A24C 5/392: {feeding pneumatically} - A24C 5/397: {with means for regulating the tobacco quantity} - A24C: MACHINES FOR MAKING CIGARS OR CIGARETTES ## Abstract A tobacco dosing system (1) for providing doses of tobacco (4) includes a tobacco supply (3) constructed and arranged to supply tobacco (4), a dosing device (5) including at least one dosing cup (11, 12) for receiving the tobacco (4) to be dosed, a gas flow device (6) constructed and arranged to in use provide a gas flow (10) through the tobacco received by the at least one dosing cup (11, 12), a gas flow measuring (7) device constructed and arranged to measure a property of the gas flow (10), and a controlling device (8) operably connected to the dosing device (5) and the gas flow measuring device (7) to control the operation of the tobacco dosing system (1) on basis of the measured property. ## Claims ### Claim at position 1 -23. (canceled) ### Claim 24 A tobacco dosing system for providing doses of tobacco, wherein the dosing system comprises: a tobacco supply constructed and arranged to supply tobacco; a dosing device comprising at least one dosing cup for receiving the tobacco to be dosed; a gas flow device constructed and arranged to in use provide a gas flow through the tobacco received by the at least one dosing cup; a gas flow measuring device constructed and arranged to measure a property of the gas flow; and a controlling device operably connected to the dosing device and the gas flow measuring device to control the operation of the tobacco dosing system on basis of the measured property. ### Claim 25 (depends on 24) The tobacco dosing system according to claim 24, wherein the controlling device is provided with a calculator to perform a calculation with the measured property. ### Claim 26 (depends on 24) The tobacco dosing system according to claim 24, wherein the gas flow measuring device is provided with a pressure sensor to measure for each dose a pressure reduction ΔP in the gas flow or wherein the gas flow measuring device is provided with at least two pressure sensors to measure for each dose a first pressure P1 and a downstream second pressure P2 and the pressure reduction ΔP equals P1−P2. ### Claim 27 (depends on 24) The tobacco dosing system according to claim 24, wherein the gas flow measuring device is provided with a flow rate unit to measure for each dose the volumetric flow rate Q of the gas flow. ### Claim 28 (depends on 25) The tobacco dosing system according to claim 25, wherein the calculator is constructed and arranged to calculate for each dose a value R by performing a calculation on the measured property. ### Claim 29 (depends on 25) The tobacco dosing system according to claim 25, wherein the calculator is constructed and arranged to calculate for each dose the value R1 of the calculation: R1=ΔP/Q. ### Claim 30 (depends on 25) The tobacco dosing system according to claim 25, wherein the calculator is constructed and arranged to calculate for each dose the value R2 of the calculation: R2=P2*(ΔP/Q). ### Claim 31 (depends on 24) The tobacco dosing system according to claim 24, wherein the controlling device is provided with a memory. ### Claim 32 (depends on 31) The tobacco dosing system according to claim 31, wherein the controlling device is constructed and arranged to allow the user to indicate an operation value and to store the operation value in the memory. ### Claim 33 (depends on 32) The tobacco dosing system according to claim 32, wherein the controlling device is constructed and arranged to compare the measured property with the operation value. ### Claim 34 (depends on 32) The tobacco dosing system according to claim 32, wherein the controlling device is constructed and arranged to compare the calculated value R with the operation value. ### Claim 35 (depends on 32) The tobacco dosing system according to claim 32, wherein the controlling device is constructed and arranged to compare the calculated value R1 with the operation value. ### Claim 36 (depends on 32) The tobacco dosing system according to claim 32, wherein the controlling device is constructed and arranged to compare the calculated value R2 with the operation value. ### Claim 37 (depends on 24) The tobacco dosing system according to claim 24, wherein the dosing device is constructed and arranged to discharge the doses of tobacco and the dosing system comprises a weight measuring device constructed and arranged to measure the weight of each discharged dose of tobacco. ### Claim 38 (depends on 37) The tobacco dosing system according to claim 37, wherein the controlling device is constructed and arranged to relate for each dose the measured weight to the measured property on the gas flow and to store said relation in the memory. ### Claim 39 (depends on 37) The tobacco dosing system according to claim 37, wherein the controlling device is constructed and arranged to relate for each dose the measured weight to the calculated value R and to store said relation in the memory. ### Claim 40 (depends on 37) The tobacco dosing system according to claim 37, wherein the controlling device is constructed and arranged to relate for each dose the measured weight to the calculated value R1 and to store said relation in the memory. ### Claim 41 (depends on 37) The tobacco dosing system according to claim 37, wherein the controlling device is constructed and arranged to relate for each dose the measured weight of to the calculated value R2 and to store said relation in the memory. ### Claim 42 (depends on 38) The tobacco dosing system according to claim 38, wherein the calculator is constructed and arranged to perform a calculation with the relations stored in the memory to determine a value A and the controlling device is constructed and arranged to indicate the value A as the operation value and to store the value A in the memory, and wherein the value A is a calculated average of the relations stored in the memory. ### Claim 43 (depends on 24) The tobacco dosing system according to claim 24, wherein the controlling device is constructed and arranged to adjust the gas flow.