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    • 1. 发明授权
    • Powerful sound impulse generation methods and apparatus
    • 强大的声脉冲产生方法和装置
    • US3379273A
    • 1968-04-23
    • US32267763
    • 1963-11-12
    • BOLT ASSOCIATES INC
    • CHELMINSKI STEPHEN V
    • G01V1/137
    • G01V1/137Y02A90/36
    • 1,090,363. Generating seismic impulses. BOLT ASSOCIATES Inc. Nov. 10, 1964 [Nov. 12, 1963], No. 45839/64. Heading H4D. A seismic sound source 70 (Fig. 2) comprises cylindrical means 94 in which high-pressure (2000 p.s.i.) air, introduced under the control of an electromagnetically operated valve 63 via a port 90, is confined by a closure member 100 comprising two rigidly connected pistons 98, 99 the area of 99 being greater than that of 98 so that member 100 is retained in the position shown until the firing instant at which the introduction of pressure air at the upper surface of piston 99 via valve 61 and port 92 overcomes the retaining force with the result that member 100 accelerates rapidly in a downward direction over a distance E after which, with continued downward movement, piston 98 " uncovers " vent means 96 through which the high-pressure air escapes to create the seismic sound. Pressure air is then introduced via valve 62 and a guide member 87 into the space 140 to return member 100 to its initial position. The three valves are controlled by cam-operated switches 58, 59, 60 the switch 58 being also arranged to provide a reference mark on a recorder in a shipborne under-water seismic surveying system as described with reference to Fig. 1 (not shown). The construction of the sound source 70 is described in detail with reference to Figs. 5 to 8 (not shown). In a modification of the arrangement of Fig. 2 the cam-controlled valve 62 is omitted and pressure air for returning member 100 to its initial positions is continuously supplied via a pressure-regulating valve 145 (Fig. 3, not shown). In a further arrangement the piston closure member is returned to its initial position by pressure air continuously admitted to an additional chamber 148 (Figs. 4, 9 and 10, not shown) such air also charging the cylinder 94 via the bore 153 and firing of the device to release the charge in 94 via vents 96 is then effected by admitting pressure air to the upper surface of piston 99 via valve 61. The operating pressure in the latter arrangement may be increased by the addition of an oil fuel injection and ignition means in either cylinder 94 or 148 (Figs. 12 and 13, not shown). The effective volume of the cylinder 94 may be varied by auxiliary piston means (Figs. 14 and 15, not shown) and by appropriate proportioning of the effective areas of the two pistons the embodiments of Figs. 4, 9, 10 and 13 to 16 may be made self-firing. In the embodiments of Figs. 2, 3, 5 and 14 the cylinder 94 may be filled with pressure air via an opening 270 (Fig. 16, not shown) in the member 100 thus enabling the fill port and its associated valve to be omitted.
    • 3. 发明授权
    • System for increasing the load-bearing capacity of soil
    • 增加土体承载能力的系统
    • US3793844A
    • 1974-02-26
    • US3793844D
    • 1972-08-14
    • BOLT ASSOCIATES INC
    • CHELMINSKI S
    • E02D3/10E02D5/38E02D5/44E02D15/04E02D7/20
    • E02D15/04E02D3/103E02D3/106E02D5/385E02D5/44
    • Process and system for increasing the load-bearing capacity of soil by producing load-bearing columns formed of densely compacted granular material, such as sand or gravel or of concrete. For producing each column, the granular material or concrete is fed down through a hollow member, and an air gun supported at the lower end of a pipe assembly extending down coaxially through the hollow member is actuated to produce powerful impulses to impel the soil outwardly away from the lower end of the hollow member to compact the soil and then to impel the granular material or concrete outwardly to distribute it into the resulting cavity formed in the compacted soil. When sufficient material has been distributed and compaced by the powerful impulses from the air gun, the hollow member and pipe assembly are withdrawn an increment of distance, and then the steps are repeated to distribute and compact more of the desired material at a level above the first deposit, and so forth, to create a column of such material. If desired to create an encased concrete column, the pipe assembly is withdrawn from the interior of the hollow member, which is then filled with concrete. To facilitate the initial insertion of the hollow member into the soil, water is jetted down through it while the air gun is actuated producing powerful impulses to impel the soil away from the lower end, and to compact the soil cylindrically about the descending member to enhance lateral support. A novel air gun energy source is adapted to be operated while embedded in soil, poured concrete, sand, grit, and similar hostile environments. Columns of more coarsely granular material can be produced in the soil to enable ground water to percolate up, the ground water being released by intense, repeated air gun impulses.
    • 通过生产由致密压实的颗粒材料(例如沙子或砾石或混凝土)形成的承重柱来增加土壤的承载能力的过程和系统。 为了生产每个柱,粒状材料或混凝土通过中空构件被向下馈送,并且支撑在同轴地延伸穿过中空构件的管组件的下端处的气枪被致动以产生强大的脉冲以将土壤向外推开 从中空构件的下端压紧土壤,然后向外推动颗粒状材料或混凝土,将其分配到形成在压实土壤中的所形成的空腔中。 当足够的材料已经通过来自气枪的强力脉冲分配和补充时,中空构件和管道组件被撤回了距离的增量,然后重复步骤以将更多的所需材料分配并压缩在高于 首次存款等等,以创建一列这样的材料。 如果需要创建一个包住的混凝土柱,管道组件从空心构件的内部抽出,然后填充混凝土。 为了便于将中空构件初始插入土壤中,当气枪被致动时,水被向下喷射,产生强大的脉冲以推动土壤远离下端,并且围绕下降的构件压缩圆柱形的土壤以增强 横向支持。 一种新型的气枪能量源适用于嵌入土壤,浇注混凝土,沙粒,砂砾和类似的恶劣环境中。 可以在土壤中产生更粗糙的颗粒材料的柱,以使地下水渗透,地下水被强烈的,重复的气枪冲击释放。
    • 4. 发明授权
    • Confined-liquid seismic exploration methods and systems
    • 确定液体地震勘探方法和系统
    • US3779335A
    • 1973-12-18
    • US3779335D
    • 1972-02-14
    • BOLT ASSOCIATES INC
    • CHELMINSKI S
    • G01V1/047G01V1/09G01V1/14
    • G01V1/047G01V1/09
    • Confined-liquid seismic exploration methods and systems in which powerful sound impulses are generated by the abrupt release of confined gases into a confined liquid that is coupled to the earth in vibration transmitting relationship during the brief period of time while these impulses are being transmitted into the earth. The repeatability of the powerful impulses is enhanced by permitting the entire mass of confined liquid to jump upwardly in reaction to the powerful impulses transmitted into the earth. Weight may be added to increase the intensity of the impulses transmitted into the earth. After the mass jumps into the air, it is then restrained from immediately returning to the earth, thus avoiding spurious ''''bouncing'''' impulses such as would occur if the liquid mass were allowed to fall back freely to earth. Total confinement of the liquid is provided thus intensifying the seismic impulses transmitted per unit volume of the liquid, enabling a relatively compact system to be utilized. The abruptly released gases are separated from the totally confined liquid in preparation for the next ''''shot'''' to be fired. The methods and systems described are conveniently applicable to many different types of sites, enabling a single survey crew to carry out highly effective survey work on hard ground, soft ground, marshy or swampy ground or submerged ground, as it is encountered on the job site.
    • 密闭液体地震勘探方法和系统,其中通过在短时间内将密闭气体突然释放到在短时间内以振动传递关系耦合到地球的受限液体而产生强大的声音脉冲,同时这些脉冲被传送到 地球。 强大的冲击的重复性通过允许整个约束液体向上跳跃而增强,以响应传递到地球中的强大脉冲。 可以添加重量以增加传输到地球中的脉冲的强度。 在质量跳入空气之后,它被限制立即返回到地球,从而避免了如果允许液体质量自由回落到地球时会发生虚假的“弹跳”脉冲。 提供液体的全部限制,从而增强每单位体积液体传输的地震脉冲,从而能够利用相对紧凑的系统。 突然释放的气体与完全限制的液体分离,准备下一个“射击”被点燃。 所描述的方法和系统可以方便地适用于许多不同类型的场地,使单个调查工作人员可以在工地上遇到的地面,软地面,湿地或沼泽地或淹没地面进行高效的勘测工作 。
    • 10. 发明授权
    • Automatically self-regulating variable-stroke, variable-rate and quiet-operating pile driver apparatus
    • US3788402A
    • 1974-01-29
    • US3788402D
    • 1972-08-14
    • BOLT ASSOCIATES INC
    • CHELMINSKI S
    • E02D7/00E02D7/10E02D7/12E02D11/00E02D13/00E02D13/04E02D13/08
    • E02D13/00E02D7/00E02D7/10E02D7/125E02D11/00E02D13/04E02D13/08
    • Automatically self-regulating variable-stroke, variable-rate and quiet-operating pile driver apparatus are disclosed in which a massive piston weight is bounced upon a cushion of pressure fluid, the pile driver advantageously being adapted for operation in four different modes: (1) only double-acting, (2) singleacting automatically converting to double-acting at maximum stroke travel, (3) only single-acting, (4) pre-stressing plus impacting plus thrusting mode, and (5) pile extraction mode. The prolonged downward push resulting from the pressurized fluidcushioned bouncing action is more effective than the conventional sharp hammer-type blow resulting from impact of one solid mass against another. When the pile being driven encounters softer strata in the earth, in the single-acting mode, the stroke of the piston weight automatically shortens while the number of bounces per minute automatically increase thus increasing the rate of the quiet powerful bounce thrusts for driving the pile faster, and when harder strata are encountered, the piston weight automatically bounces higher providing a longer stroke with fewer bounces per minute, thus increasing the force of each quiet powerful thrust for overcoming the increased impedance being encountered. In the double-acting mode, when harder strata are encountered, the velocity and stroke length of the piston weight increase automatically to deliver more powerful thrusts. A relatively large number of driving thrusts per minute can be provided in the double-acting mode by changing the head plug mass to shorten the maximum stroke length to increase the frequency of thrusts per minute. By virtue of the pressure fluid bouncing action imparted to the massive piston weight, the noise of metalto-metal contact blows can be avoided, and in addition a muffler housing surrounding the ports through which the expanded pressure fluid is released muffles the sound of the flow of the fluid, such as air or steam; this muffler also serving to separate lubricating oil from the released fluid. A cylinder bottom assembly below the bounce chamber is coupled to the pile being driven to transmit the quiet powerful bounce thrusts to the pile, moving in accordance with the pile motion, and a driving fluid storage chamber and valve mechanism associated with this assembly control the flow of the pressure fluid in an automatically selfregulating manner to seek the most effective driving action from moment-to-moment as the pile encounters different strata. If desired, the bouncing action of the cushion of pressure fluid can be altered to permit the piston weight to strike bottom slightly to provide the driving mode (4) above. A self-contained lubrication system may be actuated by the pressure impulses in the bounce chamber.