Cool logic with an integrated cooler into the clutch/engine base
US8474416B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 28, 2009 |
| Grant date | Jul 2, 2013 |
| Priority date | — |
| Expiry date | Jul 3, 2030 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2300/021
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A hydraulically controlled fan drive system is provided including a housing containing a hydraulic fluid, a pulley connected to the housing a fan shaft rotatably mounted to the housing by a hydraulically actuated clutch, a piston mounted within a piston housing for actuating the clutch, a pitot tube for delivering pressurized hydraulic fluid from the housing to the piston housing, a valve for controlling the fluid pressure within the piston housing, a shaft rotationally supporting the housing having passages extending through the pulley, a base connected with the shaft connecting the shaft with a structure, the base having coolant inlet and outlet, and an oil cooler connected with the base on a side of said base generally axially opposite of the pulley.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.