| Patent Number |
Title Of Patent |
Date Issued |
| D292309 |
End clip for a heat exchanger tube cleaning shuttle brush retaining basket |
October 13, 1987 |
|
| 5213129 |
Fluid mixing device |
May 25, 1993 |
| A fluid mixing valve has a canister which defines a chamber divided into an upper additive subchamber and a lower carrier subchamber by a plunger and diaphragm. A pressurized carrier liquid enters the carrier subchamber through an inlet and exits the carrier subchamber through a restrict |
| 5129730 |
Fluid mixing device |
July 14, 1992 |
| A fluid mixing valve has a canister which defines a piston chamber divided into an upper additive subchamber and a lower carrier subchamber by a piston. A pressurized carrier liquid enters the carrier subchamber through an inlet and exits the carrier subchamber through a restriction, whi |
| 4627486 |
Correction for tube sheet misalignment in heat exchangers having tube cleaning arrangements ther |
December 9, 1986 |
| A heat exchanger having end head elements has a plurality of fluid flow tubes secured adjacent their ends by tube sheet elements. Cleaning devices are adapted to shuttle back and forth in the tubes and are adapted to be captured by basket elements. A basket retaining plate is disposed |
| 4595050 |
Heat exchanger tube cleaning element capturing device with retainer rotation prevention |
June 17, 1986 |
| A heat exchanger (1) has a plurality of fluid flow tubes (5) secured adjacent their ends by tube sheets (6, 7). Cleaning elements (18) are adapted to shuttle back and forth in the tubes and are adapted to be captured by elongated slotted baskets (17). A removable cleaning element ret |
| 4592417 |
Heat exchanger tube cleaning element capturing device with offset stop |
June 3, 1986 |
| A heat exchanger (1) has a plurality of fluid flow tubes (5) secured adjacent their ends by tube sheets (6, 7). Cleaning elements (18) are adapted to shuttle back and forth in the tubes and are adapted to be captured by elongated slotted baskets (17). A cleaning element retaining dev |
| 4561495 |
Alignment of basket retainer clips for heat exchanger tube cleaning elements |
December 31, 1985 |
| A heat exchanger (1) has a housing (2) containing a plurality of fluid flow tubes (5) through which tube cleaning elements (18) are propelled between elongated baskets (17) mounted in communication with the tube ends. The baskets include longitudinally extending slots (22). A removable r |
| 4544026 |
Heat exchanger tube cleaning element capturing device with hinged retainer |
October 1, 1985 |
| A heat exchanger (1) has a plurality of fluid flow tubes (5) secured adjacent their ends by tube sheets (6, 7). Cleaning elements (18) are adapted to shuttle back and forth in the tubes and are adapted to be captured by elongated molded plastic slotted baskets (17). The generally uni |
| 4543996 |
Fluid flow diverter valve with improved flow-through construction |
October 1, 1985 |
| A four-way diverter valve (1) is constructed with a rotatable butterfly valve element (20) within the cylindrical valve housing (10) and with said element having a pair of end heads (21, 22) joined by a generally planular central tapered plug (23) of longitudinal extent. The valve plug i |
