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Tecogen Inc patents

Recent patent applications related to Tecogen Inc. Tecogen Inc is listed as an Agent/Assignee. Note: Tecogen Inc may have other listings under different names/spellings. We're not affiliated with Tecogen Inc, we're just tracking patents.

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Assemblies and methods for reducing particulate matter, hydrocarbons, and gaseous oxides from internal combustion engine exhaust

Exhaust generated from an internal combustion engine includes particulates and gas-phase volatile hydrocarbon condensables. The exhaust is cooled in an exhaust gas cooler from a first temperature to a second temperature such that a first portion of the gas-phase volatile hydrocarbon condensables in the exhaust condense to the liquid phase and a second portion of the gas-phase volatile hydrocarbon condensables in the exhaust condense on black carbon particles to form semivolatile brown carbon particulates. ... Tecogen Inc

Nox reduction without urea using a dual stage catalyst system with intercooling in vehicle gasoline engines

An exhaust aftertreatment system includes a first catalytic converter, an oxidation catalyst including a storage catalyst, an air injector, and a cooling unit. The exhaust aftertreatment system is fluidly coupled to an output of a spark-ignited internal combustion engine that operates in the rich regime during acceleration and the lean regime during deceleration. ... Tecogen Inc

Poison-resistant catalyst and systems containing same

A poison-resistant catalytic converter includes a washcoat having a support material comprised of titania and/or silica and a plurality of platinum group metal particles disposed in the support material. The washcoat is disposed on a substrate having a plurality of cells that define respective apertures. ... Tecogen Inc

Emissions control systems and methods for vehicles

Systems and methods of reducing the emissions of vehicles having a spark ignited internal combustion engine are provided. When the exhaust temperature is less than a set point temperature, the oxygen concentration of the exhaust is increased as the exhaust passes from a first stage catalytic converter to a second stage catalytic converter. ... Tecogen Inc

Internal combustion engine controller

A system and method for controlling an internal combustion engine and electrical inverter system for powering a load, including controlling the operation of a spark-ignited internal combustion engine prime mover used in generation of electrical power by way of a generator. A microprocessor (e.g., dsp) controlled circuit taking engine speed input from an engine speed signal is used to control the operation of the internal combustion engine prime mover so that it is preferably operated substantially at wide open throttle.. ... Tecogen Inc

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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. is not affiliated or associated with Tecogen Inc in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Tecogen Inc with additional patents listed. Browse our Agent directory for other possible listings. Page by