公开(公告)号：US2411055A

公开(公告)日：1946-11-12

申请号：US60439945

申请日：1945-07-11

Applicant: GEN ELECTRIC

Inventor： RICH THEODORE A

IPC: F16D27/112

CPC classification number: F16D27/112 ,  Y10S74/04 ,  Y10T74/19437

公开(公告)号：US2345430A

公开(公告)日：1944-03-28

申请号：US46833742

申请日：1942-12-09

Applicant: GEN ELECTRIC

Inventor： RICH THEODORE A

IPC: G01R19/20

CPC classification number: G01R19/20

公开(公告)号：US2304055A

公开(公告)日：1942-12-01

申请号：US42781342

申请日：1942-01-22

Applicant: GEN ELECTRIC

Inventor： RICH THEODORE A

IPC: G01B11/00 ,  G05B11/00

CPC classification number: G01B11/00 ,  G05B11/00

公开(公告)号：US2271991A

公开(公告)日：1942-02-03

申请号：US34539840

申请日：1940-07-13

Applicant: GEN ELECTRIC

Inventor： RICH THEODORE A

IPC: G01R23/02

CPC classification number: G01R23/02

公开(公告)号：US2199247A

公开(公告)日：1940-04-30

申请号：US25413639

申请日：1939-02-02

Applicant: GEN ELECTRIC

Inventor： RICH THEODORE A ,  MEAHL HARRY R ,  MICHEL PHILIP C

IPC: G01R19/22

CPC classification number: G01R19/225

公开(公告)号：US2049319A

公开(公告)日：1936-07-28

申请号：US65268133

申请日：1933-01-20

Applicant: GEN ELECTRIC

Inventor： RICH THEODORE A

IPC: H02J13/00

CPC classification number: H02J13/0041

公开(公告)号：US2019318A

公开(公告)日：1935-10-29

申请号：US75093134

申请日：1934-11-01

Applicant: GEN ELECTRIC

Inventor： RICH THEODORE A

IPC: G01R11/60

CPC classification number: G01R11/60

公开(公告)号：US3599401A

公开(公告)日：1971-08-17

申请号：US3599401D

申请日：1966-03-14

Applicant: GEN ELECTRIC

Inventor： RICH THEODORE A ,  GROOVES JAMES N

IPC: B01D46/26 ,  F24F3/16 ,  B01D46/44

CPC classification number: B01D46/26 ,  F24F3/16

Abstract: Apparatus is disclosed which comprises an air filter which closes at least one side of an expansible chamber. The effective volume of the chamber is constantly and cyclically varied between a maximum and a minimum by a movable wall member whereby air is drawn through the filter into the chamber and then expelled through the same filter to provide a double-filtering action.

公开(公告)号：US3522431A

公开(公告)日：1970-08-04

申请号：US3522431D

申请日：1967-12-26

Applicant: GEN ELECTRIC

Inventor： COFFEY PETER E ,  RICH THEODORE A

IPC: C08B37/00 ,  G01N15/06 ,  G01N27/64 ,  G01N31/00 ,  G01N23/12

CPC classification number: G01N15/065 ,  C08B37/00 ,  G01N27/64 ,  G01N31/00 ,  Y10T436/175383

公开(公告)号：US3522425A

公开(公告)日：1970-08-04

申请号：US3522425D

申请日：1967-11-28

Applicant: GEN ELECTRIC

Inventor： RICH THEODORE A

IPC: G01N27/64 ,  H01J41/06 ,  H01J39/34

CPC classification number: G01N27/622 ,  H01J41/06