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89 results about "Dosing schedules" patented technology

Reagent dosing system and method of dosing reagent

A method of dosing a reagent into an exhaust gas stream of an internal combustion engine having an SCR catalyst, the method comprising injecting reagent from a reagent tank into the exhaust gas stream at a position upstream of the SCR catalyst using a reagent injector in accordance with a first dosing schedule in order to remediate a predetermined proportion of NOx in the exhaust gas stream, the first dosing schedule being associated with a first range of engine operating conditions; and injecting reagent from the reagent tank into the exhaust gas stream at a position upstream of the SCR catalyst using a reagent injector in accordance with a second dosing schedule in order to enable heat transfer between the reagent injector and said injected reagent, the second dosing schedule being associated with a second range of engine operating conditions.
Dosing in accordance with said first or said second dosing schedule is carried out in dependence on whether engine operating conditions lie within said first or said second range of engine operating conditions, and the proportion of NOx in the exhaust gas stream which is remediated by dosing using said second dosing schedule is less than said predetermined portion. A reagent dosing system is also provided for dosing a reagent into the exhaust gas stream of an internal combustion engine, comprising a reagent tank for storing a supply of reagent, an injector module comprising an atomising dispenser and a positive-displacement metering pump which draws reagent from the reagent tank and delivers it to the dispenser a supply line coupling the reagent tank to the injector module, and a dosing control unit operable to control the injector module to inject reagent into the exhaust gas stream. A priming pump is provided to urge reagent along the supply line toward the injector module under selected conditions.
Owner:DELPHI TECH IP LTD

System And Method For Secure Medication Dispensing, Monitoring, And Control

ActiveUS20190307647A1Mitigates risk of diversionMitigating risk of diversionDrug and medicationsSurgeryMedication DispenserComputer module
A programmable medication dispenser is provided to securely dispense medication to a patient and mitigate the risk of diversion of the medication to an unauthorized user. The programmable medication dispenser may include a processor, a memory, a housing, a biometric verification module, an inner receptacle having a plurality of compartments for storing the medication, and a gate for dispensing the medication from one of the compartments. A patient may access the medication stored within the medication dispenser according to a prescribed dosing schedule based on instructions executed by the processor after verifying his or her identify via the biometric verification module. A system is also provided for securely dispensing, monitoring, controlling medication for a patient using the programmable medication dispenser and for mitigating the risk of diversion of the medication to an unauthorized user. The system could be implemented in a cloud-based environment wherein centralized, cloud-based monitoring and control of a network of medication dispensing systems is provided, and the system could function as a centralized portal for allowing healthcare providers to access patient healthcare data, as well as for allowing insurers and other entities to access such data, as needed.
Owner:SBG MEDICAL TECH
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