| US 7,513,925 B2 | ||
| Filters | ||
| Payyappilly Antony Thomas, Pune (India); Kulkarni Vivek Shrikrishna, Pune (India); Khandkar Arun Ganesh, Pune (India); Padwal Prasad Babanrao, Pune (India); and Pathak Rahul Sudhakar, Pune (India) | ||
| Assigned to Fleetguard Filters Pvt. Ltd., Pune (India) | ||
| Filed on Mar. 03, 2006, as Appl. No. 11/367,527. | ||
| Claims priority of application No. 248/MUM/2005 (IN), filed on Mar. 04, 2005. | ||
| Prior Publication US 2006/0196156 A1, Sep. 07, 2006 | ||
| Int. Cl. B01D 35/02 (2006.01) | ||
| U.S. Cl. 55—502 [55/497; 55/498; 55/507; 55/509; 55/513; 210/443; 210/444; 210/450; 210/DIG. 17; 277/313; 277/596; 277/611; 277/918] | 8 Claims |
| 1. A filter assembly comprising:
(i) a housing, said housing defining an inner surface;
(ii) a filter element located in said housing, said filter element being resiliently spaced apart from said inner surface
of said housing by a spring element, said filter element defining an operative bottom surface;
(iii) said operative bottom surface of said filter element and said inner surface of said housing defining a space;
(iv) (iv) fitment means for fitting said filter element within said housing; and
(v) at least one compressible resilient element having an impermeable skin containing a compressible fluid selected from air,
nitrogen, and inert gas.
|