Mordechai Cohen

Author:

Mordechai Z. Cohen

ISBN #:

9004129715

US Patent:

48441511, Jul 4, 1989

Filed:

Dec 23, 1986

Appl. No.:

6/945909

Inventors:

Mordechai Cohen - San Diego CA

Assignee:

Sundstrand Corporation - Rockford IL

International Classification:

B60H 100
F28F 300

US Classification:

165 44

Abstract:

A heat exchange apparatus which is particularly applicable for use in vehicles such as aircraft subject to high gravitational forces. A core provides superposed fluid flow paths extending longitudinally of the roll axis of the aircraft between opposite ends of the core and alternating in planes generally parallel to the pitch axis of the aircraft. Alternate ones of the flow paths carry a coolant between the opposite ends of the core, and the remaining flow paths carry a medium to be cooled. The alternate flow paths each include a plurality of flow passages extending between opposite ends of the core. A first fluid distributor at one end of the core evenly distributes coolant to the alternate flow paths. A second fluid distributor at the one end of the core evenly distributes coolant to the plurality of flow passages in each alternate flow path.

US Patent:

50315137, Jul 16, 1991

Filed:

Oct 11, 1989

Appl. No.:

7/419946

Inventors:

Mordechai Cohen - San Diego CA

Assignee:

Sundstrand Corporation - Rockford IL

International Classification:

B64D 1300
B60H 132

US Classification:

98 15

Abstract:

An airflow control system (10) in accordance with the invention includes an air channel (14) having a single opening (16) for receiving ram air and for inducting air into the channel; a fan assembly (20) disposed within the air channel including a fan which is activated for inducting air through the air channel and through a fan channel (30) disposed within the air channel, the fan having an inlet (42) in the fan channel and an outlet (44); and a mechanism (50) responsive to ram air within the air channel for closing the outlet to at least lessen freewheeling of the fan which would occur if the fan channel was open for passage of ram air and responsive to induction of air by the fan into the channel to cause the inlet and the outlet to be open.

US Patent:

51143178, May 19, 1992

Filed:

Oct 23, 1989

Appl. No.:

7/424949

Inventors:

Mordechai Cohen - San Diego CA

Assignee:

Sundstrand Corporation - Rockford IL

International Classification:

F04B 3504

US Classification:

417354

Abstract:

Electric motor cooling difficulties in a ducted axial flow electric fan construction are avoided through the use of a duct-like housing (10) having an interior wall (30) with axially spaced feet (34), (40) within the housing (10) and radially inward of the interior wall (30). A motor stator (88) is located within the housing (10) and is engaged by the feet (34) and (40) to be mounted in spaced relation to the interior wall (30) with its exterior surface (98) between the feet (34), (40) and facing and exposed to the interior wall (30). A rotor (84) is journalled within the stator (88) and mounts an impeller (52) which drives ambient gas through the housing (10) in contact with the exterior surface (98) of the stator to cool the same.

US Patent:

50244167, Jun 18, 1991

Filed:

Jun 22, 1989

Appl. No.:

7/370251

Inventors:

Mordechai Cohen - San Diego CA

Assignee:

Sundstrand Corporation - Rockford IL

International Classification:

F16K 3144

US Classification:

251 78

Abstract:

The problem of providing a very compact and simple actuator system (10) for a rotary valve (40) operated by a rotatable shaft (44) and effecting a specific valve program to select a desired flow rate through the valve (40) is provided by an actuator member (12) movable in a linear path (A) transverse to the axis of the shaft. The actuator member (12) is linearly movable through a stroke range to effect changing the angular settings of the shaft (44) to move the valve (40) from an open position to a closed position and back to an open position in response to a single unidirectional stroke of the actuator member (12). A pair of link arms (26a, 26b) operatively connect the actuator member (12) and the shaft (40) for transmitting linear movement of the actuator member to angular movement of the shaft. The link arms are pivotally connected to each other at adjacent ends (28). An opposite end (30) of one link arm (26a) is fixed to the shaft, and an opposite end (34) of the second link arm (26b) is pivotally connected to the actuator member (12).

US Patent:

49557858, Sep 11, 1990

Filed:

Dec 5, 1988

Appl. No.:

7/279869

Inventors:

Mordechai Cohen - San Diego CA

Assignee:

Sundstrand Corporation - Rockford IL

International Classification:

F01D 2114

US Classification:

415 26

Abstract:

The problem of providing a simple, small, lightweight and reliable flow responsive switch mechanism (32) in a fan structure, such as for aerospace applications, is solved by providing a housing (12) defining a fan involute (22). An impeller (18, 20) is mounted in the housing for forcing air through the fan involute. A vane (34) is disposed directly in the fan involute, rotatably mounted on the housing, for rotation in response to air flow through the fan involute. An electrical switch (52) is mounted on the housing and is operatively associated with the vane for altering the state of the switch in response to air flow through the fan involute from the impeller.

US Patent:

50763083, Dec 31, 1991

Filed:

Nov 19, 1990

Appl. No.:

7/615382

Inventors:

Mordechai Cohen - San Diego CA

Assignee:

Sundstrand Corporation - Rockford IL

International Classification:

F16K 3502
F16K 3700

US Classification:

137 1

Abstract:

An indicator for measuring the amount of closure of a valve with a valve handle mounted adjacent a valve bearing housing. A pointer for the indicator being mounted between the valve handle and valve bearing housing. To show the amount the valve is open the indicator pointer is firmly attached to the valve drive shaft. A slot is provided in the valve handle so that the relationship of the indicator pointer to the valve bearing housing can be seen, and rotation stubs are included on the valve handle which can abut against the indicator pointer so the valve drive shaft can be turned using the valve handle.