序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
61 Mercury vibration warning switch US09250354 1999-02-16 US06204773B1 2001-03-20 Christos T. Kyrtsos
A drive line vibration sensor includes a mercury switch, a controller, and a warning device. The mercury switch is preferably positioned such that it is minimally affected by radial acceleration yet remains sensitive to longitudinal accelerations along the longitudinal axis of a drive line. To minimize the affect of radial acceleration, the mercury switch is attached to the drive line such that the mercury switch is tilted relative to the longitudinal axis such that the radial acceleration of the drive line does not activate the mercury switch. If the mercury switch experiences a predetermined acceleration, the controller identifies that the mercury switch is activated and the controller then awakes and activates a transmitter, such as a radio frequency (RF) transmitter to send a signal to a remote warning device such as a warning light.
62 Motor vehicle electrical system deactivating switch US541343 1995-10-10 US5602371A 1997-02-11 Joe Kerns; Sandra J. Kerns
A motor vehicle electrical system disconnect switch is disclosed which operates to disconnect the positive lead of the battery of a motor vehicle from its electrical system and to ground the positive lead of the vehicle alternator upon either the application of a decelerating impact force to the vehicle or a tilting of the vehicle by at least a minimum predetermined angle with the horizontal. The device includes a housing containing at least three hollow chambers, a first one of which normally carries an electroconductive liquid such as mercury. A pair of electrical terminals are mounted on opposing housing end walls which partially form the first chamber so that the terminals are normally electrically connected together through the liquid in the first chamber. When the terminals are so connected, the positive lead from the battery to the vehicle electrical circuit is complete. Upon tilting of the vehicle by a substantial angle, the liquid flows from the first chamber into a second chamber to open the positive lead and ground the alternator. Upon the application of an impact force to the vehicle, a block slidably disposed in a third chamber of the housing slides from a central position to one end of the third chamber to permit the liquid to drain from the first chamber to an unblocked portion of the third chamber to disconnect the battery. In one embodiment, the block slides by inertial action while, in another, the block is moved by an air cylinder.
63 Shock sensor switch having a liquid conductor US176685 1994-01-03 US5359162A 1994-10-25 Sheldon S. Bitko
A shock sensor comprises a housing defining an interior space. The space includes a cylindrical side surface and an end surface, the surfaces being formed of an electrically conductive material. An insert is positioned in the space and includes an electrically conductive support surface which defines a recess facing the conductive end surface. A volume of mercury is contained in the recess. The support surface is wetted to the liquid, and the end and side surfaces are not wetted to the liquid, so that the liquid moves into electrical contact with the end surface and/or side surface in response to shocks and is thereafter restored.
64 Hazardous fluid dispenser safety system having a mercury tilt switch US509608 1990-04-16 US5083676A 1992-01-28 William D. Hunter; Hugh E. Cross
A system for dispensing hazardous fluid particular suitable for gasoline service stations utilizing an electrical impact sensing switch mounted upon each dispenser wherein the contacts of the normally open switch close upon impact occurring at the dispenser and the switch controls a primary electrical circuit energizing the pumps providing pressurized fluid to the dispenser whereby impact forces de-energizes the pumps minimizing to actuate alarms and alert personnel of the impact.
65 Position insensitive shock sensor with closure delay US319289 1989-03-06 US4943690A 1990-07-24 Sheldon S. Bitko
A shock sensor has a mercury wetted insert for supporting a mercury mass normally spaced from a terminal or terminals. The mercury and the terminal or terminals are contained within a sealed housing. When the sensor is subjected to a shock, the mercury is redistributed and protrudes from the insert so as to make contact the terminal or terminals and complete a circuit. By providing a mercury-non-wettable surface ahead of the mercury wetted insert, a closure delay time or operation time is selectively set. Additionally, the porosity of various membranes within the housing can be pre-selected to vary the speed in which the mercury is redistributed and thus also adjust the closure delay time. Also, a constriction in the non-wettable surface ahead of the mercury wetted insert can be utilized to provide a time delay by introducing a dash-pot effect.
66 Position insensitive shock sensor US939725 1986-12-09 US4683355A 1987-07-28 Sheldon S. Bitko
A shock sensor has a mercury-wetted insert for supporting a mercury mass normally space from a terminal. The mercury and terminal are contained within a sealed housing. When the sensor is subjected to a shock, the mercury is redistributed and protrudes from the insert so as to contact the terminal and complete a circuit between that terminal and another terminal that is normally in communication with the mercury.
67 Force responsive device US737149 1985-05-23 US4648273A 1987-03-10 Karlis V. Ozols
A device is provided for detecting the influence of a gravitational forceon a body due to changes in a freefall state. The device includes a spherical housing, and a flow medium is contained in, and is adapted to travel about and undergo flow in the housing. Monitoring means are provided at preselected positions about the housing for sensing the presence or absence of medium at said positions.
68 Force responsive device US511507 1983-07-06 US4528851A 1985-07-16 Karlis V. Ozols
A device is provided for use in measuring acceleration and deceleration of a rotating body. The device includes a housing having wall means which define an endless flow path. The housing is rotatable about an axis which passes through the center of or is eccentric to the housing. The flow path includes a plurality of interconnected chambers with capillary passages therebetween. Electrically conductive flow medium is contained in the path and is adapted to travel about the path upon rotation of the housing about the axis. Monitoring means are provided at preselected positions about the path for sensing the presence or absence of medium at said positions and, further, to measure the amount of medium in each of said chambers.
69 Seismosensitive device US526498 1983-08-25 US4493066A 1985-01-08 Susumu Ubukata; Yasukazu Mizutani
A seismosensitive device comprises a hermetically sealed enclosure having a recess at the bottom, a first annular surface provided around the recess and having a radial gradient substantially of horizontal level and a second annular surface provided around the first annular surface and progressively diverging from the lower to upper portions with a slope having a gradient greater than that of the first annular surface. A switch assembly comprising a drop of mercury placed at the recess, an electrode bar provided with the enclosure, a needle contact secured to the electrode bar to have its lower end immersed into the drop is provided. When the mercury drop moves along the gradient surfaces significantly smoothly to separate from the needle contact upon tremor of the earth, the switch will open.
70 Shockswitch US11125 1979-02-12 US4219708A 1980-08-26 Ulyss R. Rubey
An improved apparatus for indicating that an acceleration greater than a predetermined acceleration has occured; the apparatus being of the type having a liquid reservoir and an adjacent gas region; the liquid-gas surface resisting deformation due to surface tension. The liquid, gas and surrounding structure are chosen such that the surface tension prevents a rupture of the liquid-gas barrier until an acceleration greater than a predetermined acceleration occurs; at which time at least a portion of the liquid enters the region of the gas. Electrical contacts within the gas region are bridged by the liquid, which liquid is electrically conducting. Means are provided to conduct electricity to and from the contacts such that communication of the forming of the bridge is possible.
71 Master electric switch US656092 1976-02-09 US4150267A 1979-04-17 Melvin Adrian; George Spector
A special switch installed within an automotive vehicle between the battery and the vehicle electric system, so that when the special switch is turned off, the vehicle battery is completely disconnected, thus eliminating all danger of a fire starting in case a short circuit occurs anywhere in the system; the special switch consisting, in one form of the invention, of an ordinary heavy duty switch inside the engine compartment that can be manually disconnected by a flexible cable extending through the fire wall to a pull knob located conveniently to the vehicle driver.
72 Liquid motion anti-disturbance switch US43358774 1974-01-15 US3914567A 1975-10-21 REINNAGEL RICHARD E
A hollow hermetically sealed sphere has sets of insulated conducting segments forming terminals of a normally open switch. A nonconducting flotation media partially fills the sphere. An insulating toroid, of lower density than the flotation media, freely floats thereon. The toroidal inside walls insolates a disc-shaped, conductive film which floats on the flotation media, from an outer annular conducting film of like nature which provides an electrical connection with at least one of the conducting segments. The segments are externally interconnected to form a plus set and a minus set. The shape and interconnection of the segments is arranged such that the annular conducting film will not contact a segment of the plus and minus set at the same time and such that the disc conducting film will contact a segment of the minus set when the annular film is contacting a segment of the plus set and vice versa. The freedom of orientation of the sphere is limited by the shape and area of the segments and level of the flotation media.
73 Inertia switch having movable liquid contact medium retained in reciprocating actuator and engaging helical fixed contact array US49020074 1974-07-19 US3909569A 1975-09-30 JONES W DALE
A hermetically sealed piston in cylinder type inertia switch employing an electrically insulative piston with mercury seal rings which serve both as bearings and as movable electric switch contacts to engage helically arranged and very closely spaced mercury wetted contacts embedded in and flush with the inner surface of a close fitting electrically insulative cylinder case. Response of the piston to acceleration is spring controlled in acceleration switching applications and is gas metering controlled in velocity change amount switching applications. The fluid engagement between the movable and fixed contacts and the very close axial spacing of the fixed contacts enables the invention to avoid switching error commonly resulting from engagements of compliant type contacts, to virtually avoid calibration error and to be programmed to switch within broad acceleration and velocity change amount ranges.
74 Positive or negative acceleration operated conductive liquid switch for vehicle safety devices US32916873 1973-02-02 US3869588A 1975-03-04 UBUKATA SUSUMU; MIZUTANI YASUKAZU
This conductive liquid switch is a novel mercury switch to be mounted on a horizontally moving apparatus such as an automobile and clearly distinguishes the condition of acceleration caused during the abnormal motion period in which the automobile is subjected to sudden acceleration or deceleration or skidding which is dangerous for the automobile from the conditions of acceleration caused during the period in which the automobile is parking, or is subjected to the usual acceleration or deceleration, or is travelling at a normal speed, thereby to open or close at least one electric circuit. This switch is activated when a predetermined value of acceleration is applied thereto in one direction for a predetermined period of time before the moving apparatus is tilted at a dangerous angle or turned upside down owing to a collision or the like, that is, the position of the moving apparatus is not different from the usual position thereof, thereby to operate an occupant''s protection device such as a safety belt, an air bag, or a safety net.
75 Equilibrated inertia switch US55779144 1944-10-09 US2433968A 1948-01-06 CARLOS WISELEY DON
76 Electrical switching device US49261643 1943-06-28 US2404179A 1946-07-16 BOLTON KING EDWARD
77 Warning signal US43622542 1942-03-26 US2344014A 1944-03-14 ALLISON JR THOMAS T
78 Inertia switch US34719340 1940-07-24 US2275011A 1942-03-03 ERICH WILLIAM J
79 Mercury switch US22626738 1938-08-23 US2214197A 1940-09-10 JACKSON JOHN M
80 Mercury switch US28499539 1939-07-17 US2201754A 1940-05-21 WORTH JOSEPH B
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