Replaceable catalyst for exhaust system
AssigneeMTD Products Inc
InventorMark Jankowski
Life of this patent
Estimating the term…
Abstract
A new and improved exhaust system as described herein, wherein the catalytic cartridge is selectively replaceable. The catalytic cartridge, which contains the catalyst, is located within the baffle tube. The baffle tube is easily inserted and removed from the housing assembly of the exhaust system, thereby making it simple and efficient to remove and replace the catalytic cartridge.
Claims11
An exhaust system for a two cycle engine comprising:
- a housing assembly, the assembly having a first housing section and a second housing section;
- a housing opening;
- a baffle tube, the baffle tube being received by the housing opening;
- a mounting plate, the mounting plate fixedly attached to the baffle tube;
- a catalytic cartridge, the catalytic cartridge located within the baffle tube;
- a catalyst, the catalyst located within the catalytic cartridge;
- an alum gasket;
- an intake, the intake having an intake plate and a side intake opening;
- and,
- connecting means for connecting the intake plate, the gasket, and the mounting plate to the housing front via receiving means.
An exhaust system for an engine comprising:
- a housing;
- and,
- a selectively replaceable catalytic cartridge.
A muffler for a two cycle engine, the muffler comprising:
- a housing;
- an intake;
- a baffle tube;
- a catalytic cartridge, the cartridge located within the baffle tube;
- and,
- a catalyst, the catalyst located within the catalytic cartridge, the cartridge being selectively removable.
A method for replacing a catalytic cartridge, the method comprising the steps of:
- removing an associated baffle tube from an associated housing;
- removing the catalytic cartridge from the baffle tube;
- and,
- inserting a second catalytic cartridge.
A method for replacing a catalytic cartridge, the method comprising the steps of:
- providing a housing assembly, the housing assembly having first and second section;
- providing a baffle, the baffle having diffuser openings;
- assembling the first and second sections, the baffle located within the assembly;
- providing a catalyst within a catalytic cartridge;
- inserting the cartridge into a baffle tube;
- inserting the baffle tube into the assembly;
- attaching a gasket to the baffle tube;
- attaching an intake to the gasket;
- detaching the intake from the gasket;
- detaching the gasket from the baffle tube;
- removing the baffle tube from the assembly;
- removing the cartridge from the baffle tube;
- and,
- inserting a second catalytic cartridge.
Dependencies are inferred from the claim text.