序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
21 JPS543319Y2 - JP3401174 1974-03-27 JPS543319Y2 1979-02-15
22 트립 유닛 및 하나의 그러한 트립 디바이스를 제조하는 방법 KR1020140075188 2014-06-19 KR1020140147758A 2014-12-30 베르뜨랑미카엘
A trip unit (10) according to the present invention may be connected to a circuit breaker, and includes a first block (12) and a second block (14). The first block (12) includes a first case (16), and a circuit breaker trip member (20) which can be accessed from the outside of the first case (16). The second block (14) includes a second case (26), and at least one member (28) to detect electric failure. Each detecting member (28) includes at least one movable element (56) with a contact terminal (62), which is disposed inside the second case (26) and can be moved toward a trip member (20) when the detecting member (28) detects the electric failure. The first block (12) and the second block (14) are two separate blocks. The first case (16) and the second case (26) may be mechanically assembled in an assembled configuration of the trip units (10; 110). Each contact terminal (62) may mechanically cooperate with the trip member (20). When a corresponding detecting member (28) detects the electric failure, the trip member (20) may trip the circuit breaker in the assembled configuration of the trip unit.
23 회로 차단기 KR1019870010002 1987-09-10 KR1019900008922B1 1990-12-11 이이오쓰가사; 모찌스끼요시노리; 후지이히로시; 모리와끼히데아끼; 겡바스야시
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24 Trip unit having bimetal element located outside the yoke US11583653 2006-10-18 US20080094155A1 2008-04-24 Dennis William Fleege
A trip unit in a miniature circuit breaker includes a magnetic yoke and a bimetal mounted on the outside of the yoke. The bimetal is welded at one end to a load terminal that leads to a terminal connector and at the other end to a pigtail. The pigtail, instead of the bimetal, passes through the yoke for connection to the blade of the circuit breaker. To induce a higher magnetic field for faster tripping, a second pigtail may be passed through the yoke in which one end of the second pigtail is connected to the load terminal near the terminal connector and the other end is connected to the bimetal near the load terminal connection point. The load terminal may include at least two parts, one part including the adjustment screw and the other part including the terminal screw. These parts may be separated by air or an insulator.
25 Integrated thermal and magnetic trip unit US10436619 2003-05-13 US06750743B1 2004-06-15 Anantharam Subramanian; Ronald Ciarcia; Luis A. Brignoni; Narender Macha; Navin Kumar
A circuit breaker for a multi-pole electrical distribution circuit includes a cassette associated with each pole in the multi-pole electrical distribution circuit. Each cassette includes a housing, a pair of electrical contacts disposed in the housing, and a thermal and magnetic trip unit supported by the housing. The housing includes a first compartment having the electrical contacts disposed therein and a second compartment having at least a portion of the thermal and magnetic trip unit disposed therein. A wall separates the first and second compartments for isolating the second compartment from gasses generated by separation of the first and second contacts. A duct adjacent to the second compartment allows the gasses to pass to an exterior portion of the housing. The housing includes a pair of opposing slots formed therein for receiving edges of a load terminal. A lever has a first end disposed proximate an end of a bimetallic element and a second end disposed proximate an armature in the magnetic assembly of the trip unit. The lever is rotated by at least one of the bimetallic element and the armature to unlatch an operating mechanism.
26 Circuit breaker with lockable trip unit US09376897 1999-08-18 US06229418B1 2001-05-08 Robert W. Mueller; Wayne C. Sumpman
This concerns a molded case circuit breaker having separable main contacts and an operating mechanism utilized to cause the separable main contacts to open and close. A trip unit is provided to actuate the operating mechanism in desirable circumstances. The aforementioned trip unit has disposed on an outside surface thereof, dials for adjustment of the thermal and magnetic tripping characteristics of the circuit breaker. The face of the trip unit also has a set of hinge regions disposed therein into which a plastic, transparent, hinged cover may be inserted. The top of the trip unit has a convenient ridge around the outside of the dial regions. The cover after insertion is rotated downward on to the face of the dial region and then moved transversely to abut one of the ridges. Both the cover and the surface of the dial region have bridged openings therein through which a single wire may be fed and locked in place with a solder lock at the ends of the wires. Thus the trip unit has a non-removable cover which covers the dial settings but, because the cover is transparent, the dial settings can be viewed.
27 Circuit interrupter trip unit US112665 1980-01-16 US4313098A 1982-01-26 John G. Salvati
A circuit interrupter trip unit characterized by a magnetic sensing and tripping device having improved means for adjusting between maximum and minimum air gaps between a magnet and armature for specific trip currents.
28 Multi-pole circuit breaker with adjustable thermal trip unit US551936 1975-02-21 US3950716A 1976-04-13 Albert R. Cellerini; Paul Skalka; William I. Stephenson, Jr.
A multi-pole circuit breaker with adjustable thermal trip unit characterized by a circuit breaker mechanism having a plurality of pole units, means releasable when released from a latched position to effect simultaneous opening of the circuit breaker contacts, a multi-pole trip device including trip means for each of said pole units, each of said trip means being constructed to operate upon the occurrence of certain current conditions to effect release of said releasable means, and each pole unit comprising a bimetal element responsive to current flow to effect heating thereof. The circuit breaker also comprises a first trip bar and a second trip bar, the first trip bar being mounted to oscillate between latched and unlatched positions and being biased in the latched position, the second trip bar being pivotally mounted on the first trip bar at spaced locations between the ends of the first trip bar and being pivotally adjustable to varying spacings from the bimetal elements, and an adjusting cam mounted on the first trip bar and engageable with the second trip bar for adjusting the second trip bar with respect to the bimetal elements.
29 Circuit breaker with adjustable thermal trip unit US470107 1974-05-15 US3949331A 1976-04-06 Albert R. Cellerini; John P. Majcher
A circuit breaker characterized by a stored energy mechanism and an improved resettable latch means which latch means include an adjustable thermal trip unit.
30 Circuit interrupter protective device US34539473 1973-03-27 US3815064A 1974-06-04 MAIER A; STEPHENSON W
A circuit interrupter protective device responsive to abnormal currents in conductors of an electrical distribution system characterized by a circuit breaker within a first insulating housing and having a mechanism for opening and closing separable contacts which mechanism comprises a releasable member movable from latched to unlatched positions, trip means comprising a stationary magnetic structure for each conductor as well as a coil and core assembly and armature therefor, a trip bar movable to unlatch the circuit breaker mechanism and biased in the latched position, lever means associated with the stationary magnetic structure for moving the trip bar to the unlatched position, the lever means comprising the armature and being movable in response to abnormal currents in at least one of the conductors, the lever means being biased away from the core assembly, and means for adjusting the spacing between the lever and core assembly.
31 Circuit breaker having means for readily indicating the position thereof US53142766 1966-03-03 US3319034A 1967-05-09 GELZHEISER FRANCIS L; BAUM WESLEY L
32 Circuit breaker with improved trip adjustment US44346265 1965-03-29 US3309637A 1967-03-14 JENCKS CHARLES L
33 Circuit breaker with adjustable thermal and magnetic controls US28281952 1952-04-17 US2673264A 1954-03-23 COLE THOMAS M
34 Adjustable trip US8613549 1949-04-08 US2574093A 1951-11-06 HAROLD EDMUNDS WILLIAM
35 Automatic trip circuit breaker US64203746 1946-01-18 US2491959A 1949-12-20 DYER LLOYD W
36 Electrical device US56203731 1931-09-10 US1912611A 1933-06-06 WIDMER JULES A
37 Electrical device US23160127 1927-11-07 US1912610A 1933-06-06 WIDMER JULES A
38 Method for producing a trip unit US14920545 2015-10-22 US10096436B2 2018-10-09 Mickael Bertrand
A method for manufacturing a trip unit that connects to a circuit breaker. The method includes mounting an assembly formed by a shaft and a trip member in a first case, mounting a detecting member in a second case, and assembling the first case and the second case, a contact end cooperating mechanically with the trip member such that the trip member trips the circuit breaker in the assembled configuration of the trip unit when the corresponding detecting member detects an electric fault.
39 Systems and methods for rotary knob friction adjustment control US15040343 2016-02-10 US09627160B1 2017-04-18 Jan Rojko; Stephen Scott Thomas
A circuit breaker including a trip unit having an internal support and a friction adjustment control system for knob control is provided. The internal support includes a first opening to receive a first rotary knob having one or more first smooth rings and a second opening to receive a second rotary knob having one or more second smooth rings. The trip unit includes a first knob control of the first rotary knob. The first knob control includes a first structural support, a first housing and a first spring installed in the first housing against the first structural support. The trip unit further includes a second knob control of the second rotary knob. The second knob control includes a second structural support, a second housing and a second spring installed in the second housing against the second structural support.
40 METHOD FOR PRODUCING A TRIP UNIT US14920545 2015-10-22 US20160042887A1 2016-02-11 Mickael BERTRAND
A method for manufacturing a trip unit that connects to a circuit breaker. The method includes mounting an assembly formed by a shaft and a trip member in a first case, mounting a detecting member in a second case, and assembling the first case and the second case, a contact end cooperating mechanically with the trip member such that the trip member trips the circuit breaker in the assembled configuration of the trip unit when the corresponding detecting member detects an electric fault.
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