| BLACK ROCK SYSTEMS LLC Patent applications |
| Patent application number | Title | Published |
|---|
| 20090263259 | HYDRAULIC PUMP ADAPTATION FOR AN AUXILIARY POWER UNIT - The present invention is generally related to providing auxiliary power to long-haul trucks and similar types of transportation vehicles, and more particularly related to an easily installed and maintained auxiliary power unit that provides operational levels of electrical power and HVAC services while simultaneously driving a hydraulic system through an incorporated hydraulic pump assembly. | 10-22-2009 |
| 20090065294 | Engine silencing and vibration reduction system and method - A noise and vibration reduction system for an engine affixed to a body and a method for reducing vibrations in the body produced by that engine during operation. The present invention is particularly related to noise and vibration reduction in auxiliary power units installed on long-haul trucks and similar types of transportation vehicles. The primary noise and vibration reduction components of the present invention include an air intake silencer, a vibration tuner, and an engine speed limiter. | 03-12-2009 |
