Petch
Dereck Petch, Longmont, CO US
Patent application number | Description | Published |
---|---|---|
20130299277 | Optimized Wind Turbine Tower with Mountings for Tower Internals - A wind turbine tower for mounting tower internals is disclosed. The wind turbine tower may include a plurality of tower sections and each of the tower sections may comprise a plurality of cans axially joined together, the plurality of cans including a top can and a bottom can and intermediate cans. Each wind turbine tower section may further include a top flange attached to the top can and a bottom flange attached to the bottom can. Brackets for supporting the tower internals are welded to the inside wall of each tower section, but the welded brackets are restricted to only the top one or two cans, and the bottom one or two cans, while a the remainder of the intermediate cans do not have any brackets welded thereto. The intermediate cans without any welded brackets may be fabricated of steel plate that is less thick, and therefore less costly. | 11-14-2013 |
Derek Petch, Longmont, CO US
Patent application number | Description | Published |
---|---|---|
20140152136 | DEVICES AND METHODS FOR MAGNETIC POLE RETENTION IN ELECTROMAGNETIC MACHINES - In some embodiments, an electromagnetic machine includes a rotor element configured for movement relative to a stator. The rotor element includes a magnetic support, a magnetic pole assembly, and a retainer. The magnetic support is formed, at least in part, from a ferromagnetic material and is configured to be coupled to the magnetic support. The retainer is coupled to both the magnetic support and the magnetic pole assembly. The retainer is further configured to be in a first state during a first time period and a second state during a second time period, after the first time period, such that during the second time period, the coupling of the magnetic pole assembly to the magnetic support is maintained. | 06-05-2014 |
Michael Ian Petch, Berkshire GB
Patent application number | Description | Published |
---|---|---|
20140315117 | ION-CONDUCTING MEMBRANE - An ion-conducting membrane including a first layer and a second layer, wherein the first layer includes a perfluorosulphonic acid polymer and the second layer includes a sulphonated hydrocarbon polymer, characterised in that the ion-conducting membrane has a total thickness of from 5 μm to 50 μm and the second layer has a total thickness of 2 μm or less is disclosed. | 10-23-2014 |
20150086902 | THIN FILM CATALYTIC MATERIAL FOR USE IN FUEL - A catalytic material includes (i) a support material and (ii) a thin film catalyst coating having an inner face adjacent to the support material and an outer face, the thin film catalyst coating having a mean thickness of ≦8 nm, and wherein at least 40% of the support material surface area is covered by the thin film catalyst coating; and wherein the thin film catalyst coating includes a first metal and one or more second metals, and wherein the atomic percentage of first metal in the thin film catalyst coating is not uniform through the thickness of the thin film catalyst coating. | 03-26-2015 |