公开(公告)号：US2442654A

公开(公告)日：1948-06-01

申请号：US71110846

申请日：1946-11-20

Applicant: GEN MOTORS CORP

Inventor： LELAND ROBERT W

IPC: H02P7/00

CPC classification number: H02P7/03

公开(公告)号：US2724813A

公开(公告)日：1955-11-22

申请号：US37241853

申请日：1953-08-05

Applicant: GEN MOTORS CORP

Inventor： LELAND ROBERT W

IPC: H01R31/02

CPC classification number: H01R31/02 ,  Y10T29/49204

公开(公告)号：US2375422A

公开(公告)日：1945-05-08

申请号：US48123543

申请日：1943-03-31

Applicant: GEN MOTORS CORP

Inventor： LELAND ROBERT W

IPC: B64C25/14

CPC classification number: B64C25/14 ,  Y10T477/327

公开(公告)号：US3146387A

公开(公告)日：1964-08-25

申请号：US16696162

申请日：1962-01-17

Applicant: GEN MOTORS CORP

Inventor： LEVY IRVING M ,  LELAND ROBERT W

IPC: H02P1/44 ,  H02P1/58

CPC classification number: H02P1/58 ,  H02P1/44

公开(公告)号：US3045159A

公开(公告)日：1962-07-17

申请号：US80835359

申请日：1959-04-22

Applicant: GEN MOTORS CORP

Inventor： LEVY IRVING M ,  LELAND ROBERT W

IPC: H02P1/58

CPC classification number: H02P1/58

公开(公告)号：US2387800A

公开(公告)日：1945-10-30

申请号：US54571544

申请日：1944-07-19

Applicant: GEN MOTORS CORP

Inventor： LELAND ROBERT W ,  WERNER CALVIN J

IPC: B64D1/04 ,  E05F15/12

CPC classification number: B64D1/04 ,  E05F15/622 ,  E05Y2900/502 ,  Y10T74/18688

公开(公告)号：US3555379A

公开(公告)日：1971-01-12

申请号：US3555379D

申请日：1968-05-22

Applicant: GEN MOTORS CORP

Inventor： GRAHAM DONALD E ,  LELAND ROBERT W

IPC: H02P5/74 ,  H02P1/54

CPC classification number: H02P5/74

Abstract: A SYSTEM FOR AUTOMATICALLY CONNECTING A SECOND ALTERNATING CURRENT INDUCTION MOTOR IN PARALLEL WITH A FIRST OPERATING ALTERNATING CURRENT INDUCTION MOTOR ACROSS A COMPATIBLE ALTERNATING CURRENT SUPPLY POTENTIAL IN RESPONSE TO AN EXTERNAL DEMAND. THE PARALLEL COMBINATION OF A PHASE WINDING OF BOTH MOTORS IS CONNECTED IN SERIES WITH A NETWORK OF TWO SERIES CONNECTED, OPPOSITELY POLED SILICON CONTROLLED RECTIFIERS CONNECTED IN PARALLEL WITH TWO SERIES CONNECTED, OPPOSITELY POLED DIODES ELECTRICALLY CONNECTED AT THE JUNCTION. ELECTRICAL TRIGGER SIGNALS, PRODUCED BY A SPEED CONTROL CIRCUIT, ARE APPLIED ACROSS THE GATE-CATHODE ELECTRODES OF BOTH SILICON CONTROLLED RECTIFIERS OF EACH NETWORK DURING EACH POTENTIAL HALF CYCLE. A SWITCHING CIRCUIT, RESPONSIVE TO OPERATING MOTOR LOAD, ENERGIZES A RELAY WHICH COMPLETES AN ENERGIZING CIRCUIT FOR THE STARTING CONTACTOR OF THE SECOND MOTOR AND DEENERGIZES THE RELAY TO REMOVE THE SECOND MOTOR WHEN THE DEMAND NO LONGER EXISTS.

公开(公告)号：US2895026A

公开(公告)日：1959-07-14

申请号：US65538657

申请日：1957-04-26

Applicant: GEN MOTORS CORP

Inventor： RODGERS JOSEPH M ,  LELAND ROBERT W

IPC: H01H50/30

CPC classification number: H01H50/305

公开(公告)号：US2409288A

公开(公告)日：1946-10-15

申请号：US57952145

申请日：1945-02-24

Applicant: GEN MOTORS CORP

Inventor： LELAND ROBERT W

IPC: F16H25/24

CPC classification number: F16H25/2056 ,  F16H25/2418 ,  Y10T74/18672 ,  Y10T74/18712 ,  Y10T74/219

公开(公告)号：US3226620A

公开(公告)日：1965-12-28

申请号：US21741962

申请日：1962-08-16

Applicant: GEN MOTORS CORP

Inventor： ELLIOTT JAMES O ,  FRANK DANIEL L ,  LELAND ROBERT W

IPC: H02P1/42

CPC classification number: H02P1/42