公开(公告)号：WO1990004914A1

公开(公告)日：1990-05-03

申请号：PCT/US1989004280

申请日：1989-09-29

Applicant: SUNDSTRAND CORPORATION

Inventor： SUNDSTRAND CORPORATION ,  CROWE, Lawrence, E.

IPC: H05K07/20

CPC classification number: H01L23/473 ,  H01L23/3672 ,  H01L2924/0002 ,  H01L2924/00

Abstract: Electrical devices (10, 11, 12) which generate different amounts of heat are selectively cooled with a heat exchanger (1) having a first portion formed of a fin-type heat exchanger (4) and a second portion formed of a compact high intensity cooler (2, 3) wherein a jet impingement cooling mechanism is employed. Cooling fluid is circulated through the respective cooling mechanisms which can be arranged in series or parallel for differentially cooling respective electrical devices placed in contact with respective portions of an outer surface of the heat exchanger.

公开(公告)号：WO1990004869A1

公开(公告)日：1990-05-03

申请号：PCT/US1989004286

申请日：1989-09-29

Applicant: SUNDSTRAND CORPORATION

Inventor： SUNDSTRAND CORPORATION ,  SCHMITT, Dwight

IPC: H02H03/22

CPC classification number: H02H9/047

Abstract: An electrical supply (15) has a transient suppressor in which a transistor switch (21) connects a resistor (20) across the supply to dissipate an overvoltage condition. The control (22) for the transistor switch turns the switch on at a first overvoltage condition and turns the switch off when the voltage drops to a level less than that of the first overvoltage level.

公开(公告)号：WO1990002441A1

公开(公告)日：1990-03-08

申请号：PCT/US1989003222

申请日：1989-07-26

Applicant: SUNDSTRAND CORPORATION

Inventor： SUNDSTRAND CORPORATION ,  COOK, Alexander ,  BARNET, Robert

IPC: H02M07/06

CPC classification number: H02J1/102 ,  H02M7/08 ,  Y10T307/729

Abstract: A transformer rectifier unit (10) is provided for developing regulated DC output power from first (26) and second (28) sources of unregulated DC power. The transformer rectifier (20) connectable to a source (16) of AC input power and first (22) and second (24) secondary windings. The first secondary winding (22) develops AC power at a first level and the second secondary winding (24) develops AC power at a second level lower than the first level. First (26) and second (28) rectifier circuits are respectively coupled to the first (22) and second (24) secondary windings for rectifying the AC power therefrom to DC power having corresponding first and second DC levels. A switch S is coupled between an output VR1 of the first rectifier circuit (26) and an output VR2 of the second rectifier circuit (28) and is operable in first and second switching states to provide DC output power from one of the rectifier circuits to a load (14). A pulse-width modulation control circuit (32) is responsive to the difference between a desired DC output level and an actual DC output level and operates the switch (S) between first and second states to provide regulated DC output power. In an alternative embodiment of the invention, the transformer (52) comprises Y- secondary winding sets.

公开(公告)号：WO1990000677A1

公开(公告)日：1990-01-25

申请号：PCT/US1989002739

申请日：1989-06-21

Applicant: SUNDSTRAND CORPORATION

Inventor： SUNDSTRAND CORPORATION ,  SHEKLETON, Jack, R.

IPC: F02C03/08

CPC classification number: F02C7/26 ,  F23R3/28 ,  F23R3/34

Abstract: Reliable starting of air breathing turbines even at high altitude is assured in a turbine engine wherein the annular combustor includes main fuel injectors (46) and one or more start injectors (96). The start injectors (96) are located away from the bottom of the combustor such that the bottom of the combustor is free of start injectors. Preferably, two start injectors (96) are employed, one in the location shown and the other diametrically opposite of the first at location (104).

公开(公告)号：WO1989011065A1

公开(公告)日：1989-11-16

申请号：PCT/US1989001504

申请日：1989-04-11

Applicant: SUNDSTRAND CORPORATION

Inventor： SUNDSTRAND CORPORATION ,  FAULKNER, Robie

IPC: F23R03/28

CPC classification number: F23R3/28 ,  F02C3/085 ,  F23C7/004 ,  F23C2202/40 ,  F23D2900/00016 ,  F23R3/54

Abstract: A turbine engine including a rotary compressor to be driven by a turbine wheel and provided with an annular combustor including an outlet whereby gases of combustion may be directed to a nozzle to be directed against the turbine wheel to drive the same. Fuel injectors each include a simple tube (70) having a cut off end (72) disposed in a ring-like mounting element (100) which in turn mounts a plurality of swirler vanes (106) which cooperate with a converger (94) having a central aperture (96) aligned with the end (72) of the tube (70) that provides highly stable combustion within the combustor.

Abstract translation: 一种涡轮发动机，包括由涡轮机叶轮驱动并设置有包括出口的环形燃烧器的旋转压缩机，其中燃烧气体可被引导到喷嘴以引导涡轮机轮驱动。 燃料喷射器各自包括简单的管（70），其具有设置在环形安装元件（100）中的切断端（72），所述切割端（72）又安装多个旋流器叶片（106），所述旋流器叶片与会聚器（94）协作， 与管（70）的端部（72）对准的中心孔（96），其在燃烧器内提供高度稳定的燃烧。

公开(公告)号：WO1989006309A1

公开(公告)日：1989-07-13

申请号：PCT/US1988004585

申请日：1988-12-21

Applicant: SUNDSTRAND CORPORATION

Inventor： SUNDSTRAND CORPORATION ,  SHEKLETON, Jack , R.

IPC: F02C03/08

CPC classification number: F23R3/04 ,  F05B2250/322 ,  F23R3/28

Abstract: The cost of fuel injection nozzles (50) and their tendency to clog in a gas turbine having an annular combustor (26) can be reduced by alternating the fuel injection nozzles (50) with bender jets (56) configured to introduce a combustion supporting gas into an annular combustion zone at locations between the fuel injectors (50) to achieve uniform turbine inlet temperature distribution while requiring fewer of the nozzles (50) and allowing those nozzles (50) that are utilized to have larger fluid flow paths that are less prone to clogging.

公开(公告)号：WO1989006059A1

公开(公告)日：1989-06-29

申请号：PCT/US1988004486

申请日：1988-12-15

Applicant: SUNDSTRAND CORPORATION

Inventor： SUNDSTRAND CORPORATION ,  JONES, Gregory, D. ,  OWENS, William, R. ,  THIEL, Clifford, G. ,  DANBY, Clive

IPC: H02H03/08

CPC classification number: H02H3/0935 ,  H02H9/02 ,  H02H9/041

Abstract: An overcurrent protection system (10) for a power supply is disclosed. The system monitors the instantaneous flow of current between a power supply (12) and an electrical load (16) to detect when the flow of current exceeds a maximum rated amount. A counter (30) is used for counting the number of times that samples of the flow of current exceed the maximum rated amount synchronous with zero current crossing to generate a trip signal when a predetermined count is reached which disconnects the power supply (12) from the load. The counter (30) is decremented each time a predetermined time interval elapses in which the flow of current above the maximum rate is not detected as measured from a point of zero current flow between the power supply (12) and the electrical load (14). The invention may be used for both AC and DC power supplies.

Abstract translation: 公开了一种用于电源的过电流保护系统（10）。 系统监测电源（12）和电气负载（16）之间的电流的瞬时流量，以检测何时电流超过最大额定值。 计数器（30）用于计数当流过电流超过最大额定量时与零电流交叉同步的次数，以在达到预定计数时断开电源（12）的计数，以产生跳闸信号 负载。 每当从电源（12）和电负载（14）之间的零电流流量测量时，经过预定时间间隔的计数器（30）被递减，在该预定时间间隔内没有检测到高于最大速率的电流， 。 本发明可以用于交流和直流电源。

公开(公告)号：WO1989005052A1

公开(公告)日：1989-06-01

申请号：PCT/US1988003961

申请日：1988-11-07

Applicant: SUNDSTRAND CORPORATION

Inventor： SUNDSTRAND CORPORATION ,  NOLD, Robert, D.

IPC: H02K11/00

CPC classification number: H02K11/042

Abstract: In a brushless synchronous generator having a three phase, WYE connected exciter armature (18) providing current which is rectified by a half-wave rectifier before energizing a field (26) of a main generator (24), a conductor is required to couple a neutral lead (42) of the exciter armature (18) to a negative input terminal (41n) of the main generator field (26). In order to overcome the foregoing problem, a rotary rectifier assembly (22) for a brushless synchronous generator is disclosed. The rotary rectifier assembly (22) comprises a housing (44), three diodes (D1, D2, D3), three resistors (R1, R2, R3), wherein the diodes (D1, D2, D3) and the resistors (R1, R2, R3) are interconnected to form a three phase half-wave rectifier bridge within the housing (44), and a neutral conductor (43) coupled between the neutral output lead (42) and the negative lead (41n) and carried within the housing (44).

公开(公告)号：WO1989001254A1

公开(公告)日：1989-02-09

申请号：PCT/US1988001795

申请日：1988-05-27

Applicant: SUNDSTRAND CORPORATION

Inventor： SUNDSTRAND CORPORATION ,  JONES, Gregory ,  OWENS, William

IPC: H02H03/26

CPC classification number: H02H3/0935 ,  G01R19/252

Abstract: An I t monitoring circuit utilizes a multiplier (12) to provide a signal (B) that is representative of the squared value of a monitored current (i). The squared signal (B) minus a DC level (Z2) is provided as an input to a voltage-to-frequency converter (16) and the output (18) of the voltage-to-frequency converter (16) is provided as an input to a down counter (20). The down counter (20) is configured to decrement a stored value in response to the frequency of pulses (82) received from the voltage-to-frequency converter (16) and provide a signal in response to the magnitude of the stored value being decremented to a first predetermined magnitude. Periodically, the magnitude of the stored value in the down counter (20) is refreshed to a second predetermined magnitude. When a signal is received from the down counter (20) to indicate that the magnitude of the stored value has been decremented to the first predetermined magnitude, the signal is latched (24) and a continuing signal (30) is provided to indicate that a trip should occur. The trip signal is provided so that external circuitry can respond by either disconnecting the load from the monitored current or taking steps to reduce the magnitude of the monitored current (i).

Abstract translation: I 2监测电路利用乘法器（12）来提供表示被监测电流（i）的平方值的信号（B）。 提供平方信号（B）减去DC电平（Z2）作为电压 - 频率转换器（16）的输入，并且电压 - 频率转换器（16）的输出（18）被提供为 输入到递减计数器（20）。 减计数器（20）被配置为响应于从电压 - 频率转换器（16）接收的脉冲（82）的频率而递减存储的值，并响应于存储的值的大小递减提供信号 达到第一预定量级。 周期性地，向下计数器（20）中的存储值的大小被刷新到第二预定量值。 当从递减计数器（20）接收到指示所存储的值的大小已经减小到第一预定量值的信号时，锁存信号（24），并且提供连续信号（30）以指示a 应该出差 提供跳闸信号，使得外部电路可以通过将负载从监视的电流断开或采取步骤来减小所监视的电流（i）的大小来做出响应。

公开(公告)号：WO1988005140A1

公开(公告)日：1988-07-14

申请号：PCT/US1987003395

申请日：1987-12-21

Applicant: SUNDSTRAND CORPORATION

Inventor： SUNDSTRAND CORPORATION ,  FLUEGEL, Theodore, D.

IPC: F16H47/02

CPC classification number: H02K7/006 ,  F16H47/04 ,  F16H2037/088

Abstract: An integrated drive generator system (80) in which all of the main components of the system are mounted for operation about a single centerline (C). A housing (81) mounts a drive input shaft (97). A differential (86) is coupled to and arranged coaxially of the drive input shaft. A generator (84) is coupled to the differential and includes a rotor (89) coaxially of the drive input shaft. A hydraulic log (87) includes a hydraulic pump and motor assembly (111, 112) coupled to the differential and arranged coaxially of the drive input shaft. An exciter (104) also is employed coaxially of the drive input shaft, surrounding the differential, and a compact cooling system (122) includes cooling passages (124) integral with the housing and in close proximity to the stator (105) of the generator.